| West Islip to Lapua | 3,945.63 mi (6,349.87 km) |
| West Islip to Laukaa | 4,045.98 mi (6,511.38 km) |
| West Islip to Lauritsala | 4,157.84 mi (6,691.39 km) |
| West Islip to Lempaala | 4,018.72 mi (6,467.50 km) |
| West Islip to Leppavirta | 4,094.60 mi (6,589.62 km) |
| West Islip to Lieksa | 4,125.84 mi (6,639.91 km) |
| West Islip to Lieto | 4,005.93 mi (6,446.92 km) |
| West Islip to Liminka | 3,954.30 mi (6,363.83 km) |
| West Islip to Liperi | 4,136.92 mi (6,657.72 km) |
| West Islip to Lohja | 4,062.83 mi (6,538.50 km) |
| West Islip to Loimaa | 4,013.14 mi (6,458.53 km) |
| West Islip to Loviisa | 4,120.43 mi (6,631.20 km) |
| West Islip to Mantsala | 4,087.39 mi (6,578.02 km) |
| West Islip to Mariehamn | 3,941.03 mi (6,342.47 km) |
| West Islip to Masku | 3,993.12 mi (6,426.31 km) |
