| West Islip to Isny im Allgau | 3,953.04 mi (6,361.80 km) |
| West Islip to Isselburg | 3,690.72 mi (5,939.64 km) |
| West Islip to Issum | 3,696.55 mi (5,949.03 km) |
| West Islip to Itzehoe | 3,754.61 mi (6,042.46 km) |
| West Islip to Jena | 3,918.05 mi (6,305.49 km) |
| West Islip to Jever | 3,702.34 mi (5,958.34 km) |
| West Islip to Jork | 3,771.15 mi (6,069.07 km) |
| West Islip to Juchen | 3,711.04 mi (5,972.34 km) |
| West Islip to Julich | 3,709.95 mi (5,970.59 km) |
| West Islip to Juterbog | 3,944.05 mi (6,347.33 km) |
| West Islip to Kaarst | 3,712.63 mi (5,974.91 km) |
| West Islip to Kaiserslautern | 3,807.50 mi (6,127.58 km) |
| West Islip to Kalkar | 3,686.21 mi (5,932.38 km) |
| West Islip to Kall | 3,727.52 mi (5,998.86 km) |
| West Islip to Kaltenkirchen | 3,773.57 mi (6,072.98 km) |
