| Somain to Lagoa | 1,661.40 mi (2,673.77 km) |
| Somain to Lagos | 1,090.08 mi (1,754.31 km) |
| Somain to Lamego | 831.94 mi (1,338.87 km) |
| Somain to Leiria | 938.19 mi (1,509.87 km) |
| Somain to Lisbon | 1,007.42 mi (1,621.29 km) |
| Somain to Loule | 1,069.54 mi (1,721.26 km) |
| Somain to Loures | 1,001.67 mi (1,612.03 km) |
| Somain to Lourinha | 982.71 mi (1,581.52 km) |
| Somain to Lousa | 900.94 mi (1,449.93 km) |
| Somain to Lousada | 834.30 mi (1,342.67 km) |
| Somain to Macedo de Cavaleiros | 781.64 mi (1,257.93 km) |
| Somain to Mafamude | 855.95 mi (1,377.52 km) |
| Somain to Mafra | 1,000.38 mi (1,609.96 km) |
| Somain to Maia | 849.94 mi (1,367.84 km) |
| Somain to Mangualde | 858.46 mi (1,381.55 km) |
