| Watertown Town to Legionowo | 4,064.07 mi (6,540.50 km) |
| Watertown Town to Legnica | 3,928.26 mi (6,321.92 km) |
| Watertown Town to Leszno | 3,923.43 mi (6,314.15 km) |
| Watertown Town to Lezajsk | 4,197.88 mi (6,755.84 km) |
| Watertown Town to Libiaz | 4,086.29 mi (6,576.25 km) |
| Watertown Town to Lidzbark | 3,996.06 mi (6,431.04 km) |
| Watertown Town to Lidzbark Warminski | 3,994.37 mi (6,428.32 km) |
| Watertown Town to Limanowa | 4,142.84 mi (6,667.26 km) |
| Watertown Town to Lipno | 3,986.13 mi (6,415.06 km) |
| Watertown Town to Lobez | 3,831.05 mi (6,165.47 km) |
| Watertown Town to Lodz | 4,033.17 mi (6,490.76 km) |
| Watertown Town to Lomianki | 4,066.40 mi (6,544.24 km) |
| Watertown Town to Lomza | 4,079.68 mi (6,565.60 km) |
| Watertown Town to Lowicz | 4,039.73 mi (6,501.31 km) |
| Watertown Town to Lubaczow | 4,227.69 mi (6,803.82 km) |
