[
  {"from": "HUB", "to": "ZONE_FAMILY_N", "distance_m": 400},
  {"from": "HUB", "to": "ZONE_FAMILY_S", "distance_m": 450},
  {"from": "HUB", "to": "ZONE_THRILL", "distance_m": 500},
  {"from": "HUB", "to": "ZONE_WATER", "distance_m": 650},
  {"from": "HUB", "to": "ZONE_DINING", "distance_m": 550},
  {"from": "ZONE_FAMILY_N", "to": "ZONE_THRILL", "distance_m": 350},
  {"from": "ZONE_THRILL", "to": "ZONE_WATER", "distance_m": 400},
  {"from": "ZONE_WATER", "to": "ZONE_DINING", "distance_m": 300},
  {"from": "ZONE_DINING", "to": "ZONE_FAMILY_S", "distance_m": 450},
  {"from": "ZONE_FAMILY_S", "to": "ZONE_FAMILY_N", "distance_m": 600}
]