| Upton to Legionowo | 997.28 mi (1,604.97 km) |
| Upton to Legnica | 824.94 mi (1,327.61 km) |
| Upton to Leszno | 829.70 mi (1,335.27 km) |
| Upton to Lezajsk | 1,105.12 mi (1,778.52 km) |
| Upton to Libiaz | 981.06 mi (1,578.86 km) |
| Upton to Lidzbark | 941.88 mi (1,515.80 km) |
| Upton to Lidzbark Warminski | 964.32 mi (1,551.92 km) |
| Upton to Limanowa | 1,037.27 mi (1,669.32 km) |
| Upton to Lipno | 920.31 mi (1,481.09 km) |
| Upton to Lobez | 766.99 mi (1,234.35 km) |
| Upton to Lodz | 949.35 mi (1,527.83 km) |
| Upton to Lomianki | 998.36 mi (1,606.71 km) |
| Upton to Lomza | 1,034.57 mi (1,664.98 km) |
| Upton to Lowicz | 963.26 mi (1,550.22 km) |
| Upton to Lubaczow | 1,136.21 mi (1,828.55 km) |
