| Williamstown to Lapua | 4,052.39 mi (6,521.69 km) |
| Williamstown to Laukaa | 4,152.63 mi (6,683.02 km) |
| Williamstown to Lauritsala | 4,264.95 mi (6,863.77 km) |
| Williamstown to Lempaala | 4,126.45 mi (6,640.88 km) |
| Williamstown to Leppavirta | 4,200.87 mi (6,760.64 km) |
| Williamstown to Lieksa | 4,231.11 mi (6,809.32 km) |
| Williamstown to Lieto | 4,114.37 mi (6,621.43 km) |
| Williamstown to Liminka | 4,059.30 mi (6,532.82 km) |
| Williamstown to Liperi | 4,242.86 mi (6,828.22 km) |
| Williamstown to Lohja | 4,171.17 mi (6,712.84 km) |
| Williamstown to Loimaa | 4,121.27 mi (6,632.55 km) |
| Williamstown to Loviisa | 4,228.28 mi (6,804.76 km) |
| Williamstown to Mantsala | 4,195.29 mi (6,751.66 km) |
| Williamstown to Mariehamn | 4,050.06 mi (6,517.94 km) |
| Williamstown to Masku | 4,101.57 mi (6,600.84 km) |
