| Williamstown to Legionowo | 4,335.04 mi (6,976.57 km) |
| Williamstown to Legnica | 4,199.51 mi (6,758.46 km) |
| Williamstown to Leszno | 4,194.67 mi (6,750.67 km) |
| Williamstown to Lezajsk | 4,469.08 mi (7,192.29 km) |
| Williamstown to Libiaz | 4,357.54 mi (7,012.79 km) |
| Williamstown to Lidzbark | 4,266.91 mi (6,866.92 km) |
| Williamstown to Lidzbark Warminski | 4,264.87 mi (6,863.65 km) |
| Williamstown to Limanowa | 4,414.10 mi (7,103.81 km) |
| Williamstown to Lipno | 4,257.13 mi (6,851.19 km) |
| Williamstown to Lobez | 4,102.11 mi (6,601.71 km) |
| Williamstown to Lodz | 4,304.33 mi (6,927.15 km) |
| Williamstown to Lomianki | 4,337.38 mi (6,980.34 km) |
| Williamstown to Lomza | 4,350.32 mi (7,001.17 km) |
| Williamstown to Lowicz | 4,310.81 mi (6,937.58 km) |
| Williamstown to Lubaczow | 4,498.88 mi (7,240.24 km) |
