| Serpa to Legionowo | 1,691.41 mi (2,722.06 km) |
| Serpa to Legnica | 1,474.29 mi (2,372.64 km) |
| Serpa to Leszno | 1,511.73 mi (2,432.89 km) |
| Serpa to Lezajsk | 1,699.21 mi (2,734.62 km) |
| Serpa to Libiaz | 1,565.89 mi (2,520.06 km) |
| Serpa to Lidzbark | 1,678.14 mi (2,700.71 km) |
| Serpa to Lidzbark Warminski | 1,733.65 mi (2,790.03 km) |
| Serpa to Limanowa | 1,602.17 mi (2,578.45 km) |
| Serpa to Lipno | 1,640.82 mi (2,640.65 km) |
| Serpa to Lobez | 1,544.19 mi (2,485.13 km) |
| Serpa to Lodz | 1,618.21 mi (2,604.26 km) |
| Serpa to Lomianki | 1,689.48 mi (2,718.96 km) |
| Serpa to Lomza | 1,759.04 mi (2,830.90 km) |
| Serpa to Lowicz | 1,646.23 mi (2,649.34 km) |
| Serpa to Lubaczow | 1,725.47 mi (2,776.88 km) |
