Balance travelled distance

Problem

{
  "plan": {
    "jobs": [
      {
        "id": "job1",
        "deliveries": [
          {
            "places": [
              {
                "location": {
                  "lat": 52.5697304,
                  "lng": 13.3848221
                },
                "duration": 180.0
              }
            ],
            "demand": [
              1
            ]
          }
        ]
      },
      {
        "id": "job2",
        "deliveries": [
          {
            "places": [
              {
                "location": {
                  "lat": 52.5060419,
                  "lng": 13.5152641
                },
                "duration": 180.0
              }
            ],
            "demand": [
              1
            ]
          }
        ]
      },
      {
        "id": "job3",
        "deliveries": [
          {
            "places": [
              {
                "location": {
                  "lat": 52.5421315,
                  "lng": 13.5189513
                },
                "duration": 180.0
              }
            ],
            "demand": [
              1
            ]
          }
        ]
      },
      {
        "id": "job4",
        "deliveries": [
          {
            "places": [
              {
                "location": {
                  "lat": 52.5243421,
                  "lng": 13.4619776
                },
                "duration": 180.0
              }
            ],
            "demand": [
              1
            ]
          }
        ]
      },
      {
        "id": "job5",
        "deliveries": [
          {
            "places": [
              {
                "location": {
                  "lat": 52.4629002,
                  "lng": 13.4757055
                },
                "duration": 180.0
              }
            ],
            "demand": [
              1
            ]
          }
        ]
      },
      {
        "id": "job6",
        "deliveries": [
          {
            "places": [
              {
                "location": {
                  "lat": 52.4960479,
                  "lng": 13.3915876
                },
                "duration": 180.0
              }
            ],
            "demand": [
              1
            ]
          }
        ]
      },
      {
        "id": "job7",
        "deliveries": [
          {
            "places": [
              {
                "location": {
                  "lat": 52.5372914,
                  "lng": 13.3996298
                },
                "duration": 180.0
              }
            ],
            "demand": [
              1
            ]
          }
        ]
      },
      {
        "id": "job8",
        "deliveries": [
          {
            "places": [
              {
                "location": {
                  "lat": 52.5429597,
                  "lng": 13.3989552
                },
                "duration": 180.0
              }
            ],
            "demand": [
              1
            ]
          }
        ]
      },
      {
        "id": "job9",
        "deliveries": [
          {
            "places": [
              {
                "location": {
                  "lat": 52.5678751,
                  "lng": 13.4231417
                },
                "duration": 180.0
              }
            ],
            "demand": [
              1
            ]
          }
        ]
      },
      {
        "id": "job10",
        "deliveries": [
          {
            "places": [
              {
                "location": {
                  "lat": 52.4945572,
                  "lng": 13.4698049
                },
                "duration": 180.0
              }
            ],
            "demand": [
              1
            ]
          }
        ]
      },
      {
        "id": "job11",
        "deliveries": [
          {
            "places": [
              {
                "location": {
                  "lat": 52.4989511,
                  "lng": 13.4740528
                },
                "duration": 180.0
              }
            ],
            "demand": [
              1
            ]
          }
        ]
      },
      {
        "id": "job12",
        "deliveries": [
          {
            "places": [
              {
                "location": {
                  "lat": 52.4658835,
                  "lng": 13.4461224
                },
                "duration": 180.0
              }
            ],
            "demand": [
              1
            ]
          }
        ]
      },
      {
        "id": "job13",
        "deliveries": [
          {
            "places": [
              {
                "location": {
                  "lat": 52.5685168,
                  "lng": 13.3690720
                },
                "duration": 180.0
              }
            ],
            "demand": [
              1
            ]
          }
        ]
      },
      {
        "id": "job14",
        "deliveries": [
          {
            "places": [
              {
                "location": {
                  "lat": 52.4742821,
                  "lng": 13.3628588
                },
                "duration": 180.0
              }
            ],
            "demand": [
              1
            ]
          }
        ]
      },
      {
        "id": "job15",
        "deliveries": [
          {
            "places": [
              {
                "location": {
                  "lat": 52.5650163,
                  "lng": 13.3027992
                },
                "duration": 180.0
              }
            ],
            "demand": [
              1
            ]
          }
        ]
      },
      {
        "id": "job16",
        "deliveries": [
          {
            "places": [
              {
                "location": {
                  "lat": 52.5496702,
                  "lng": 13.4286263
                },
                "duration": 180.0
              }
            ],
            "demand": [
              1
            ]
          }
        ]
      },
      {
        "id": "job17",
        "deliveries": [
          {
            "places": [
              {
                "location": {
                  "lat": 52.5058684,
                  "lng": 13.4750990
                },
                "duration": 180.0
              }
            ],
            "demand": [
              1
            ]
          }
        ]
      },
      {
        "id": "job18",
        "deliveries": [
          {
            "places": [
              {
                "location": {
                  "lat": 52.5473416,
                  "lng": 13.3327894
                },
                "duration": 180.0
              }
            ],
            "demand": [
              1
            ]
          }
        ]
      },
      {
        "id": "job19",
        "deliveries": [
          {
            "places": [
              {
                "location": {
                  "lat": 52.5276784,
                  "lng": 13.5465640
                },
                "duration": 180.0
              }
            ],
            "demand": [
              1
            ]
          }
        ]
      },
      {
        "id": "job20",
        "deliveries": [
          {
            "places": [
              {
                "location": {
                  "lat": 52.5192039,
                  "lng": 13.3044440
                },
                "duration": 180.0
              }
            ],
            "demand": [
              1
            ]
          }
        ]
      },
      {
        "id": "job21",
        "deliveries": [
          {
            "places": [
              {
                "location": {
                  "lat": 52.5228904,
                  "lng": 13.4418623
                },
                "duration": 180.0
              }
            ],
            "demand": [
              1
            ]
          }
        ]
      },
      {
        "id": "job22",
        "deliveries": [
          {
            "places": [
              {
                "location": {
                  "lat": 52.4828453,
                  "lng": 13.4363713
                },
                "duration": 180.0
              }
            ],
            "demand": [
              1
            ]
          }
        ]
      },
      {
        "id": "job23",
        "deliveries": [
          {
            "places": [
              {
                "location": {
                  "lat": 52.5291335,
                  "lng": 13.3668934
                },
                "duration": 180.0
              }
            ],
            "demand": [
              1
            ]
          }
        ]
      },
      {
        "id": "job24",
        "deliveries": [
          {
            "places": [
              {
                "location": {
                  "lat": 52.5261554,
                  "lng": 13.5062954
                },
                "duration": 180.0
              }
            ],
            "demand": [
              1
            ]
          }
        ]
      },
      {
        "id": "job25",
        "deliveries": [
          {
            "places": [
              {
                "location": {
                  "lat": 52.5189653,
                  "lng": 13.3890068
                },
                "duration": 180.0
              }
            ],
            "demand": [
              1
            ]
          }
        ]
      },
      {
        "id": "job26",
        "deliveries": [
          {
            "places": [
              {
                "location": {
                  "lat": 52.5090143,
                  "lng": 13.4368189
                },
                "duration": 180.0
              }
            ],
            "demand": [
              1
            ]
          }
        ]
      },
      {
        "id": "job27",
        "deliveries": [
          {
            "places": [
              {
                "location": {
                  "lat": 52.4940454,
                  "lng": 13.3788834
                },
                "duration": 180.0
              }
            ],
            "demand": [
              1
            ]
          }
        ]
      },
      {
        "id": "job28",
        "deliveries": [
          {
            "places": [
              {
                "location": {
                  "lat": 52.5065998,
                  "lng": 13.3689955
                },
                "duration": 180.0
              }
            ],
            "demand": [
              1
            ]
          }
        ]
      },
      {
        "id": "job29",
        "deliveries": [
          {
            "places": [
              {
                "location": {
                  "lat": 52.5473490,
                  "lng": 13.3733163
                },
                "duration": 180.0
              }
            ],
            "demand": [
              1
            ]
          }
        ]
      },
      {
        "id": "job30",
        "deliveries": [
          {
            "places": [
              {
                "location": {
                  "lat": 52.4695374,
                  "lng": 13.4914662
                },
                "duration": 180.0
              }
            ],
            "demand": [
              1
            ]
          }
        ]
      },
      {
        "id": "job31",
        "deliveries": [
          {
            "places": [
              {
                "location": {
                  "lat": 52.4868236,
                  "lng": 13.3353656
                },
                "duration": 180.0
              }
            ],
            "demand": [
              1
            ]
          }
        ]
      },
      {
        "id": "job32",
        "deliveries": [
          {
            "places": [
              {
                "location": {
                  "lat": 52.4661617,
                  "lng": 13.3226920
                },
                "duration": 180.0
              }
            ],
            "demand": [
              1
            ]
          }
        ]
      },
      {
        "id": "job33",
        "deliveries": [
          {
            "places": [
              {
                "location": {
                  "lat": 52.4917198,
                  "lng": 13.5251532
                },
                "duration": 180.0
              }
            ],
            "demand": [
              1
            ]
          }
        ]
      },
      {
        "id": "job34",
        "deliveries": [
          {
            "places": [
              {
                "location": {
                  "lat": 52.5431264,
                  "lng": 13.4416407
                },
                "duration": 180.0
              }
            ],
            "demand": [
              1
            ]
          }
        ]
      },
      {
        "id": "job35",
        "deliveries": [
          {
            "places": [
              {
                "location": {
                  "lat": 52.5426716,
                  "lng": 13.5161692
                },
                "duration": 180.0
              }
            ],
            "demand": [
              1
            ]
          }
        ]
      },
      {
        "id": "job36",
        "deliveries": [
          {
            "places": [
              {
                "location": {
                  "lat": 52.4708241,
                  "lng": 13.3598752
                },
                "duration": 180.0
              }
            ],
            "demand": [
              1
            ]
          }
        ]
      },
      {
        "id": "job37",
        "deliveries": [
          {
            "places": [
              {
                "location": {
                  "lat": 52.4737341,
                  "lng": 13.3866700
                },
                "duration": 180.0
              }
            ],
            "demand": [
              1
            ]
          }
        ]
      },
      {
        "id": "job38",
        "deliveries": [
          {
            "places": [
              {
                "location": {
                  "lat": 52.5404107,
                  "lng": 13.3914127
                },
                "duration": 180.0
              }
            ],
            "demand": [
              1
            ]
          }
        ]
      },
      {
        "id": "job39",
        "deliveries": [
          {
            "places": [
              {
                "location": {
                  "lat": 52.5492619,
                  "lng": 13.3693560
                },
                "duration": 180.0
              }
            ],
            "demand": [
              1
            ]
          }
        ]
      },
      {
        "id": "job40",
        "deliveries": [
          {
            "places": [
              {
                "location": {
                  "lat": 52.4827319,
                  "lng": 13.3157235
                },
                "duration": 180.0
              }
            ],
            "demand": [
              1
            ]
          }
        ]
      },
      {
        "id": "job41",
        "deliveries": [
          {
            "places": [
              {
                "location": {
                  "lat": 52.4711004,
                  "lng": 13.3321906
                },
                "duration": 180.0
              }
            ],
            "demand": [
              1
            ]
          }
        ]
      },
      {
        "id": "job42",
        "deliveries": [
          {
            "places": [
              {
                "location": {
                  "lat": 52.4871049,
                  "lng": 13.5423247
                },
                "duration": 180.0
              }
            ],
            "demand": [
              1
            ]
          }
        ]
      },
      {
        "id": "job43",
        "deliveries": [
          {
            "places": [
              {
                "location": {
                  "lat": 52.5614441,
                  "lng": 13.4194712
                },
                "duration": 180.0
              }
            ],
            "demand": [
              1
            ]
          }
        ]
      },
      {
        "id": "job44",
        "deliveries": [
          {
            "places": [
              {
                "location": {
                  "lat": 52.5414557,
                  "lng": 13.5276390
                },
                "duration": 180.0
              }
            ],
            "demand": [
              1
            ]
          }
        ]
      },
      {
        "id": "job45",
        "deliveries": [
          {
            "places": [
              {
                "location": {
                  "lat": 52.5425207,
                  "lng": 13.4139155
                },
                "duration": 180.0
              }
            ],
            "demand": [
              1
            ]
          }
        ]
      },
      {
        "id": "job46",
        "deliveries": [
          {
            "places": [
              {
                "location": {
                  "lat": 52.5632095,
                  "lng": 13.2940051
                },
                "duration": 180.0
              }
            ],
            "demand": [
              1
            ]
          }
        ]
      },
      {
        "id": "job47",
        "deliveries": [
          {
            "places": [
              {
                "location": {
                  "lat": 52.5146285,
                  "lng": 13.2852959
                },
                "duration": 180.0
              }
            ],
            "demand": [
              1
            ]
          }
        ]
      },
      {
        "id": "job48",
        "deliveries": [
          {
            "places": [
              {
                "location": {
                  "lat": 52.4855438,
                  "lng": 13.3832067
                },
                "duration": 180.0
              }
            ],
            "demand": [
              1
            ]
          }
        ]
      },
      {
        "id": "job49",
        "deliveries": [
          {
            "places": [
              {
                "location": {
                  "lat": 52.5279215,
                  "lng": 13.4995315
                },
                "duration": 180.0
              }
            ],
            "demand": [
              1
            ]
          }
        ]
      },
      {
        "id": "job50",
        "deliveries": [
          {
            "places": [
              {
                "location": {
                  "lat": 52.4959052,
                  "lng": 13.3539713
                },
                "duration": 180.0
              }
            ],
            "demand": [
              1
            ]
          }
        ]
      }
    ]
  },
  "fleet": {
    "vehicles": [
      {
        "typeId": "vehicle",
        "vehicleIds": [
          "vehicle_1",
          "vehicle_2",
          "vehicle_3",
          "vehicle_4",
          "vehicle_5"
        ],
        "profile": "car",
        "costs": {
          "fixed": 20.0,
          "distance": 0.0002,
          "time": 0.005
        },
        "shifts": [
          {
            "start": {
              "earliest": "1970-01-01T00:00:00Z",
              "location": {
                "lat": 52.4664257,
                "lng": 13.2812488
              }
            },
            "end": {
              "latest": "1970-01-01T23:59:00Z",
              "location": {
                "lat": 52.4664257,
                "lng": 13.2812488
              }
            }
          }
        ],
        "capacity": [
          20
        ]
      }
    ],
    "profiles": [
      {
        "name": "car",
        "type": "car"
      }
    ]
  },
  "objectives": {
    "primary": [
      {
        "type": "minimize-unassigned"
      }
    ],
    "secondary": [
      {
        "type": "minimize-cost"
      },
      {
        "type": "balance-distance",
        "options": {
          "tolerance": 0.05,
          "threshold": 0.075
        }
      }
    ]
  }
}

Solution

{
  "statistic": {
    "cost": 273.0455999999999,
    "distance": 182928,
    "duration": 27292,
    "times": {
      "driving": 18292,
      "serving": 9000,
      "waiting": 0,
      "break": 0
    }
  },
  "tours": [
    {
      "vehicleId": "vehicle_1",
      "typeId": "vehicle",
      "shiftIndex": 0,
      "stops": [
        {
          "location": {
            "lat": 52.4664257,
            "lng": 13.2812488
          },
          "time": {
            "arrival": "1970-01-01T00:00:00Z",
            "departure": "1970-01-01T00:00:00Z"
          },
          "distance": 0,
          "load": [
            10
          ],
          "activities": [
            {
              "jobId": "departure",
              "type": "departure"
            }
          ]
        },
        {
          "location": {
            "lat": 52.4960479,
            "lng": 13.3915876
          },
          "time": {
            "arrival": "1970-01-01T00:13:38Z",
            "departure": "1970-01-01T00:16:38Z"
          },
          "distance": 8175,
          "load": [
            9
          ],
          "activities": [
            {
              "jobId": "job6",
              "type": "delivery"
            }
          ]
        },
        {
          "location": {
            "lat": 52.5090143,
            "lng": 13.4368189
          },
          "time": {
            "arrival": "1970-01-01T00:22:17Z",
            "departure": "1970-01-01T00:25:17Z"
          },
          "distance": 11563,
          "load": [
            8
          ],
          "activities": [
            {
              "jobId": "job26",
              "type": "delivery"
            }
          ]
        },
        {
          "location": {
            "lat": 52.5261554,
            "lng": 13.5062954
          },
          "time": {
            "arrival": "1970-01-01T00:33:45Z",
            "departure": "1970-01-01T00:36:45Z"
          },
          "distance": 16641,
          "load": [
            7
          ],
          "activities": [
            {
              "jobId": "job24",
              "type": "delivery"
            }
          ]
        },
        {
          "location": {
            "lat": 52.5276784,
            "lng": 13.546564
          },
          "time": {
            "arrival": "1970-01-01T00:41:18Z",
            "departure": "1970-01-01T00:44:18Z"
          },
          "distance": 19373,
          "load": [
            6
          ],
          "activities": [
            {
              "jobId": "job19",
              "type": "delivery"
            }
          ]
        },
        {
          "location": {
            "lat": 52.5060419,
            "lng": 13.5152641
          },
          "time": {
            "arrival": "1970-01-01T00:49:39Z",
            "departure": "1970-01-01T00:52:39Z"
          },
          "distance": 22582,
          "load": [
            5
          ],
          "activities": [
            {
              "jobId": "job2",
              "type": "delivery"
            }
          ]
        },
        {
          "location": {
            "lat": 52.4989511,
            "lng": 13.4740528
          },
          "time": {
            "arrival": "1970-01-01T00:57:29Z",
            "departure": "1970-01-01T01:00:29Z"
          },
          "distance": 25484,
          "load": [
            4
          ],
          "activities": [
            {
              "jobId": "job11",
              "type": "delivery"
            }
          ]
        },
        {
          "location": {
            "lat": 52.4945572,
            "lng": 13.4698049
          },
          "time": {
            "arrival": "1970-01-01T01:01:26Z",
            "departure": "1970-01-01T01:04:26Z"
          },
          "distance": 26052,
          "load": [
            3
          ],
          "activities": [
            {
              "jobId": "job10",
              "type": "delivery"
            }
          ]
        },
        {
          "location": {
            "lat": 52.4828453,
            "lng": 13.4363713
          },
          "time": {
            "arrival": "1970-01-01T01:08:47Z",
            "departure": "1970-01-01T01:11:47Z"
          },
          "distance": 28667,
          "load": [
            2
          ],
          "activities": [
            {
              "jobId": "job22",
              "type": "delivery"
            }
          ]
        },
        {
          "location": {
            "lat": 52.4742821,
            "lng": 13.3628588
          },
          "time": {
            "arrival": "1970-01-01T01:20:14Z",
            "departure": "1970-01-01T01:23:14Z"
          },
          "distance": 33741,
          "load": [
            1
          ],
          "activities": [
            {
              "jobId": "job14",
              "type": "delivery"
            }
          ]
        },
        {
          "location": {
            "lat": 52.4711004,
            "lng": 13.3321906
          },
          "time": {
            "arrival": "1970-01-01T01:26:45Z",
            "departure": "1970-01-01T01:29:45Z"
          },
          "distance": 35851,
          "load": [
            0
          ],
          "activities": [
            {
              "jobId": "job41",
              "type": "delivery"
            }
          ]
        },
        {
          "location": {
            "lat": 52.4664257,
            "lng": 13.2812488
          },
          "time": {
            "arrival": "1970-01-01T01:35:34Z",
            "departure": "1970-01-01T01:35:34Z"
          },
          "distance": 39345,
          "load": [
            0
          ],
          "activities": [
            {
              "jobId": "arrival",
              "type": "arrival"
            }
          ]
        }
      ],
      "statistic": {
        "cost": 56.538999999999994,
        "distance": 39345,
        "duration": 5734,
        "times": {
          "driving": 3934,
          "serving": 1800,
          "waiting": 0,
          "break": 0
        }
      }
    },
    {
      "vehicleId": "vehicle_5",
      "typeId": "vehicle",
      "shiftIndex": 0,
      "stops": [
        {
          "location": {
            "lat": 52.4664257,
            "lng": 13.2812488
          },
          "time": {
            "arrival": "1970-01-01T00:00:00Z",
            "departure": "1970-01-01T00:00:00Z"
          },
          "distance": 0,
          "load": [
            10
          ],
          "activities": [
            {
              "jobId": "departure",
              "type": "departure"
            }
          ]
        },
        {
          "location": {
            "lat": 52.5146285,
            "lng": 13.2852959
          },
          "time": {
            "arrival": "1970-01-01T00:08:57Z",
            "departure": "1970-01-01T00:11:57Z"
          },
          "distance": 5373,
          "load": [
            9
          ],
          "activities": [
            {
              "jobId": "job47",
              "type": "delivery"
            }
          ]
        },
        {
          "location": {
            "lat": 52.5192039,
            "lng": 13.304444
          },
          "time": {
            "arrival": "1970-01-01T00:14:16Z",
            "departure": "1970-01-01T00:17:16Z"
          },
          "distance": 6767,
          "load": [
            8
          ],
          "activities": [
            {
              "jobId": "job20",
              "type": "delivery"
            }
          ]
        },
        {
          "location": {
            "lat": 52.5632095,
            "lng": 13.2940051
          },
          "time": {
            "arrival": "1970-01-01T00:25:31Z",
            "departure": "1970-01-01T00:28:31Z"
          },
          "distance": 11716,
          "load": [
            7
          ],
          "activities": [
            {
              "jobId": "job46",
              "type": "delivery"
            }
          ]
        },
        {
          "location": {
            "lat": 52.5650163,
            "lng": 13.3027992
          },
          "time": {
            "arrival": "1970-01-01T00:29:34Z",
            "departure": "1970-01-01T00:32:34Z"
          },
          "distance": 12344,
          "load": [
            6
          ],
          "activities": [
            {
              "jobId": "job15",
              "type": "delivery"
            }
          ]
        },
        {
          "location": {
            "lat": 52.5473416,
            "lng": 13.3327894
          },
          "time": {
            "arrival": "1970-01-01T00:37:17Z",
            "departure": "1970-01-01T00:40:17Z"
          },
          "distance": 15171,
          "load": [
            5
          ],
          "activities": [
            {
              "jobId": "job18",
              "type": "delivery"
            }
          ]
        },
        {
          "location": {
            "lat": 52.5685168,
            "lng": 13.369072
          },
          "time": {
            "arrival": "1970-01-01T00:45:57Z",
            "departure": "1970-01-01T00:48:57Z"
          },
          "distance": 18575,
          "load": [
            4
          ],
          "activities": [
            {
              "jobId": "job13",
              "type": "delivery"
            }
          ]
        },
        {
          "location": {
            "lat": 52.5697304,
            "lng": 13.3848221
          },
          "time": {
            "arrival": "1970-01-01T00:50:44Z",
            "departure": "1970-01-01T00:53:44Z"
          },
          "distance": 19649,
          "load": [
            3
          ],
          "activities": [
            {
              "jobId": "job1",
              "type": "delivery"
            }
          ]
        },
        {
          "location": {
            "lat": 52.5492619,
            "lng": 13.369356
          },
          "time": {
            "arrival": "1970-01-01T00:57:55Z",
            "departure": "1970-01-01T01:00:55Z"
          },
          "distance": 22156,
          "load": [
            2
          ],
          "activities": [
            {
              "jobId": "job39",
              "type": "delivery"
            }
          ]
        },
        {
          "location": {
            "lat": 52.5291335,
            "lng": 13.3668934
          },
          "time": {
            "arrival": "1970-01-01T01:04:40Z",
            "departure": "1970-01-01T01:07:40Z"
          },
          "distance": 24403,
          "load": [
            1
          ],
          "activities": [
            {
              "jobId": "job23",
              "type": "delivery"
            }
          ]
        },
        {
          "location": {
            "lat": 52.5065998,
            "lng": 13.3689955
          },
          "time": {
            "arrival": "1970-01-01T01:11:51Z",
            "departure": "1970-01-01T01:14:51Z"
          },
          "distance": 26915,
          "load": [
            0
          ],
          "activities": [
            {
              "jobId": "job28",
              "type": "delivery"
            }
          ]
        },
        {
          "location": {
            "lat": 52.4664257,
            "lng": 13.2812488
          },
          "time": {
            "arrival": "1970-01-01T01:27:15Z",
            "departure": "1970-01-01T01:27:15Z"
          },
          "distance": 34357,
          "load": [
            0
          ],
          "activities": [
            {
              "jobId": "arrival",
              "type": "arrival"
            }
          ]
        }
      ],
      "statistic": {
        "cost": 53.0464,
        "distance": 34357,
        "duration": 5235,
        "times": {
          "driving": 3435,
          "serving": 1800,
          "waiting": 0,
          "break": 0
        }
      }
    },
    {
      "vehicleId": "vehicle_4",
      "typeId": "vehicle",
      "shiftIndex": 0,
      "stops": [
        {
          "location": {
            "lat": 52.4664257,
            "lng": 13.2812488
          },
          "time": {
            "arrival": "1970-01-01T00:00:00Z",
            "departure": "1970-01-01T00:00:00Z"
          },
          "distance": 0,
          "load": [
            10
          ],
          "activities": [
            {
              "jobId": "departure",
              "type": "departure"
            }
          ]
        },
        {
          "location": {
            "lat": 52.547349,
            "lng": 13.3733163
          },
          "time": {
            "arrival": "1970-01-01T00:18:16Z",
            "departure": "1970-01-01T00:21:16Z"
          },
          "distance": 10957,
          "load": [
            9
          ],
          "activities": [
            {
              "jobId": "job29",
              "type": "delivery"
            }
          ]
        },
        {
          "location": {
            "lat": 52.5404107,
            "lng": 13.3914127
          },
          "time": {
            "arrival": "1970-01-01T00:23:41Z",
            "departure": "1970-01-01T00:26:41Z"
          },
          "distance": 12405,
          "load": [
            8
          ],
          "activities": [
            {
              "jobId": "job38",
              "type": "delivery"
            }
          ]
        },
        {
          "location": {
            "lat": 52.5429597,
            "lng": 13.3989552
          },
          "time": {
            "arrival": "1970-01-01T00:27:39Z",
            "departure": "1970-01-01T00:30:39Z"
          },
          "distance": 12989,
          "load": [
            7
          ],
          "activities": [
            {
              "jobId": "job8",
              "type": "delivery"
            }
          ]
        },
        {
          "location": {
            "lat": 52.5614441,
            "lng": 13.4194712
          },
          "time": {
            "arrival": "1970-01-01T00:34:47Z",
            "departure": "1970-01-01T00:37:47Z"
          },
          "distance": 15471,
          "load": [
            6
          ],
          "activities": [
            {
              "jobId": "job43",
              "type": "delivery"
            }
          ]
        },
        {
          "location": {
            "lat": 52.5678751,
            "lng": 13.4231417
          },
          "time": {
            "arrival": "1970-01-01T00:39:03Z",
            "departure": "1970-01-01T00:42:03Z"
          },
          "distance": 16229,
          "load": [
            5
          ],
          "activities": [
            {
              "jobId": "job9",
              "type": "delivery"
            }
          ]
        },
        {
          "location": {
            "lat": 52.5496702,
            "lng": 13.4286263
          },
          "time": {
            "arrival": "1970-01-01T00:45:29Z",
            "departure": "1970-01-01T00:48:29Z"
          },
          "distance": 18289,
          "load": [
            4
          ],
          "activities": [
            {
              "jobId": "job16",
              "type": "delivery"
            }
          ]
        },
        {
          "location": {
            "lat": 52.5431264,
            "lng": 13.4416407
          },
          "time": {
            "arrival": "1970-01-01T00:50:23Z",
            "departure": "1970-01-01T00:53:23Z"
          },
          "distance": 19432,
          "load": [
            3
          ],
          "activities": [
            {
              "jobId": "job34",
              "type": "delivery"
            }
          ]
        },
        {
          "location": {
            "lat": 52.5425207,
            "lng": 13.4139155
          },
          "time": {
            "arrival": "1970-01-01T00:56:31Z",
            "departure": "1970-01-01T00:59:31Z"
          },
          "distance": 21310,
          "load": [
            2
          ],
          "activities": [
            {
              "jobId": "job45",
              "type": "delivery"
            }
          ]
        },
        {
          "location": {
            "lat": 52.5372914,
            "lng": 13.3996298
          },
          "time": {
            "arrival": "1970-01-01T01:01:24Z",
            "departure": "1970-01-01T01:04:24Z"
          },
          "distance": 22439,
          "load": [
            1
          ],
          "activities": [
            {
              "jobId": "job7",
              "type": "delivery"
            }
          ]
        },
        {
          "location": {
            "lat": 52.5189653,
            "lng": 13.3890068
          },
          "time": {
            "arrival": "1970-01-01T01:08:00Z",
            "departure": "1970-01-01T01:11:00Z"
          },
          "distance": 24602,
          "load": [
            0
          ],
          "activities": [
            {
              "jobId": "job25",
              "type": "delivery"
            }
          ]
        },
        {
          "location": {
            "lat": 52.4664257,
            "lng": 13.2812488
          },
          "time": {
            "arrival": "1970-01-01T01:26:36Z",
            "departure": "1970-01-01T01:26:36Z"
          },
          "distance": 33959,
          "load": [
            0
          ],
          "activities": [
            {
              "jobId": "arrival",
              "type": "arrival"
            }
          ]
        }
      ],
      "statistic": {
        "cost": 52.77179999999999,
        "distance": 33959,
        "duration": 5196,
        "times": {
          "driving": 3396,
          "serving": 1800,
          "waiting": 0,
          "break": 0
        }
      }
    },
    {
      "vehicleId": "vehicle_2",
      "typeId": "vehicle",
      "shiftIndex": 0,
      "stops": [
        {
          "location": {
            "lat": 52.4664257,
            "lng": 13.2812488
          },
          "time": {
            "arrival": "1970-01-01T00:00:00Z",
            "departure": "1970-01-01T00:00:00Z"
          },
          "distance": 0,
          "load": [
            10
          ],
          "activities": [
            {
              "jobId": "departure",
              "type": "departure"
            }
          ]
        },
        {
          "location": {
            "lat": 52.4661617,
            "lng": 13.322692
          },
          "time": {
            "arrival": "1970-01-01T00:04:41Z",
            "departure": "1970-01-01T00:07:41Z"
          },
          "distance": 2811,
          "load": [
            9
          ],
          "activities": [
            {
              "jobId": "job32",
              "type": "delivery"
            }
          ]
        },
        {
          "location": {
            "lat": 52.4708241,
            "lng": 13.3598752
          },
          "time": {
            "arrival": "1970-01-01T00:11:58Z",
            "departure": "1970-01-01T00:14:58Z"
          },
          "distance": 5385,
          "load": [
            8
          ],
          "activities": [
            {
              "jobId": "job36",
              "type": "delivery"
            }
          ]
        },
        {
          "location": {
            "lat": 52.4737341,
            "lng": 13.38667
          },
          "time": {
            "arrival": "1970-01-01T00:18:03Z",
            "departure": "1970-01-01T00:21:03Z"
          },
          "distance": 7231,
          "load": [
            7
          ],
          "activities": [
            {
              "jobId": "job37",
              "type": "delivery"
            }
          ]
        },
        {
          "location": {
            "lat": 52.4658835,
            "lng": 13.4461224
          },
          "time": {
            "arrival": "1970-01-01T00:27:56Z",
            "departure": "1970-01-01T00:30:56Z"
          },
          "distance": 11356,
          "load": [
            6
          ],
          "activities": [
            {
              "jobId": "job12",
              "type": "delivery"
            }
          ]
        },
        {
          "location": {
            "lat": 52.4629002,
            "lng": 13.4757055
          },
          "time": {
            "arrival": "1970-01-01T00:34:19Z",
            "departure": "1970-01-01T00:37:19Z"
          },
          "distance": 13390,
          "load": [
            5
          ],
          "activities": [
            {
              "jobId": "job5",
              "type": "delivery"
            }
          ]
        },
        {
          "location": {
            "lat": 52.4695374,
            "lng": 13.4914662
          },
          "time": {
            "arrival": "1970-01-01T00:39:29Z",
            "departure": "1970-01-01T00:42:29Z"
          },
          "distance": 14689,
          "load": [
            4
          ],
          "activities": [
            {
              "jobId": "job30",
              "type": "delivery"
            }
          ]
        },
        {
          "location": {
            "lat": 52.4871049,
            "lng": 13.5423247
          },
          "time": {
            "arrival": "1970-01-01T00:49:05Z",
            "departure": "1970-01-01T00:52:05Z"
          },
          "distance": 18653,
          "load": [
            3
          ],
          "activities": [
            {
              "jobId": "job42",
              "type": "delivery"
            }
          ]
        },
        {
          "location": {
            "lat": 52.4917198,
            "lng": 13.5251532
          },
          "time": {
            "arrival": "1970-01-01T00:54:12Z",
            "departure": "1970-01-01T00:57:12Z"
          },
          "distance": 19925,
          "load": [
            2
          ],
          "activities": [
            {
              "jobId": "job33",
              "type": "delivery"
            }
          ]
        },
        {
          "location": {
            "lat": 52.5058684,
            "lng": 13.475099
          },
          "time": {
            "arrival": "1970-01-01T01:03:26Z",
            "departure": "1970-01-01T01:06:26Z"
          },
          "distance": 23665,
          "load": [
            1
          ],
          "activities": [
            {
              "jobId": "job17",
              "type": "delivery"
            }
          ]
        },
        {
          "location": {
            "lat": 52.4855438,
            "lng": 13.3832067
          },
          "time": {
            "arrival": "1970-01-01T01:17:29Z",
            "departure": "1970-01-01T01:20:29Z"
          },
          "distance": 30291,
          "load": [
            0
          ],
          "activities": [
            {
              "jobId": "job48",
              "type": "delivery"
            }
          ]
        },
        {
          "location": {
            "lat": 52.4664257,
            "lng": 13.2812488
          },
          "time": {
            "arrival": "1970-01-01T01:32:32Z",
            "departure": "1970-01-01T01:32:32Z"
          },
          "distance": 37524,
          "load": [
            0
          ],
          "activities": [
            {
              "jobId": "arrival",
              "type": "arrival"
            }
          ]
        }
      ],
      "statistic": {
        "cost": 55.264799999999994,
        "distance": 37524,
        "duration": 5552,
        "times": {
          "driving": 3752,
          "serving": 1800,
          "waiting": 0,
          "break": 0
        }
      }
    },
    {
      "vehicleId": "vehicle_3",
      "typeId": "vehicle",
      "shiftIndex": 0,
      "stops": [
        {
          "location": {
            "lat": 52.4664257,
            "lng": 13.2812488
          },
          "time": {
            "arrival": "1970-01-01T00:00:00Z",
            "departure": "1970-01-01T00:00:00Z"
          },
          "distance": 0,
          "load": [
            10
          ],
          "activities": [
            {
              "jobId": "departure",
              "type": "departure"
            }
          ]
        },
        {
          "location": {
            "lat": 52.4827319,
            "lng": 13.3157235
          },
          "time": {
            "arrival": "1970-01-01T00:04:56Z",
            "departure": "1970-01-01T00:07:56Z"
          },
          "distance": 2960,
          "load": [
            9
          ],
          "activities": [
            {
              "jobId": "job40",
              "type": "delivery"
            }
          ]
        },
        {
          "location": {
            "lat": 52.4868236,
            "lng": 13.3353656
          },
          "time": {
            "arrival": "1970-01-01T00:10:17Z",
            "departure": "1970-01-01T00:13:17Z"
          },
          "distance": 4367,
          "load": [
            8
          ],
          "activities": [
            {
              "jobId": "job31",
              "type": "delivery"
            }
          ]
        },
        {
          "location": {
            "lat": 52.4959052,
            "lng": 13.3539713
          },
          "time": {
            "arrival": "1970-01-01T00:15:59Z",
            "departure": "1970-01-01T00:18:59Z"
          },
          "distance": 5983,
          "load": [
            7
          ],
          "activities": [
            {
              "jobId": "job50",
              "type": "delivery"
            }
          ]
        },
        {
          "location": {
            "lat": 52.5228904,
            "lng": 13.4418623
          },
          "time": {
            "arrival": "1970-01-01T00:30:06Z",
            "departure": "1970-01-01T00:33:06Z"
          },
          "distance": 12653,
          "load": [
            6
          ],
          "activities": [
            {
              "jobId": "job21",
              "type": "delivery"
            }
          ]
        },
        {
          "location": {
            "lat": 52.5243421,
            "lng": 13.4619776
          },
          "time": {
            "arrival": "1970-01-01T00:35:23Z",
            "departure": "1970-01-01T00:38:23Z"
          },
          "distance": 14025,
          "load": [
            5
          ],
          "activities": [
            {
              "jobId": "job4",
              "type": "delivery"
            }
          ]
        },
        {
          "location": {
            "lat": 52.5426716,
            "lng": 13.5161692
          },
          "time": {
            "arrival": "1970-01-01T00:45:23Z",
            "departure": "1970-01-01T00:48:23Z"
          },
          "distance": 18224,
          "load": [
            4
          ],
          "activities": [
            {
              "jobId": "job35",
              "type": "delivery"
            }
          ]
        },
        {
          "location": {
            "lat": 52.5421315,
            "lng": 13.5189513
          },
          "time": {
            "arrival": "1970-01-01T00:48:43Z",
            "departure": "1970-01-01T00:51:43Z"
          },
          "distance": 18422,
          "load": [
            3
          ],
          "activities": [
            {
              "jobId": "job3",
              "type": "delivery"
            }
          ]
        },
        {
          "location": {
            "lat": 52.5414557,
            "lng": 13.527639
          },
          "time": {
            "arrival": "1970-01-01T00:52:42Z",
            "departure": "1970-01-01T00:55:42Z"
          },
          "distance": 19015,
          "load": [
            2
          ],
          "activities": [
            {
              "jobId": "job44",
              "type": "delivery"
            }
          ]
        },
        {
          "location": {
            "lat": 52.5279215,
            "lng": 13.4995315
          },
          "time": {
            "arrival": "1970-01-01T00:59:45Z",
            "departure": "1970-01-01T01:02:45Z"
          },
          "distance": 21442,
          "load": [
            1
          ],
          "activities": [
            {
              "jobId": "job49",
              "type": "delivery"
            }
          ]
        },
        {
          "location": {
            "lat": 52.4940454,
            "lng": 13.3788834
          },
          "time": {
            "arrival": "1970-01-01T01:17:45Z",
            "departure": "1970-01-01T01:20:45Z"
          },
          "distance": 30444,
          "load": [
            0
          ],
          "activities": [
            {
              "jobId": "job27",
              "type": "delivery"
            }
          ]
        },
        {
          "location": {
            "lat": 52.4664257,
            "lng": 13.2812488
          },
          "time": {
            "arrival": "1970-01-01T01:32:55Z",
            "departure": "1970-01-01T01:32:55Z"
          },
          "distance": 37743,
          "load": [
            0
          ],
          "activities": [
            {
              "jobId": "arrival",
              "type": "arrival"
            }
          ]
        }
      ],
      "statistic": {
        "cost": 55.42359999999999,
        "distance": 37743,
        "duration": 5575,
        "times": {
          "driving": 3775,
          "serving": 1800,
          "waiting": 0,
          "break": 0
        }
      }
    }
  ],
  "unassigned": []
}


This objective balances tour distances for all tours:

  "objectives": {
    "primary": [
      {
        "type": "minimize-unassigned"
      }
    ],
    "secondary": [
      {
        "type": "minimize-cost"
      },
      {
        "type": "balance-distance",
        "options": {
          "tolerance": 0.05,
          "threshold": 0.075
        }
      }
    ]
  }

All used vehicles should have total tour distance close to each other.

The same way you can balance by travel duration using balance-duration objective.