| Sermoneta to Lagoa | 2,051.25 mi (3,301.16 km) |
| Sermoneta to Lagos | 1,194.00 mi (1,921.56 km) |
| Sermoneta to Lamego | 1,076.74 mi (1,732.85 km) |
| Sermoneta to Leiria | 1,145.59 mi (1,843.65 km) |
| Sermoneta to Lisbon | 1,181.93 mi (1,902.13 km) |
| Sermoneta to Loule | 1,158.35 mi (1,864.18 km) |
| Sermoneta to Loures | 1,180.69 mi (1,900.13 km) |
| Sermoneta to Lourinha | 1,180.15 mi (1,899.27 km) |
| Sermoneta to Lousa | 1,111.50 mi (1,788.79 km) |
| Sermoneta to Lousada | 1,096.89 mi (1,765.28 km) |
| Sermoneta to Macedo de Cavaleiros | 1,029.05 mi (1,656.10 km) |
| Sermoneta to Mafamude | 1,117.44 mi (1,798.35 km) |
| Sermoneta to Mafra | 1,187.17 mi (1,910.56 km) |
| Sermoneta to Maia | 1,116.91 mi (1,797.49 km) |
| Sermoneta to Mangualde | 1,079.83 mi (1,737.82 km) |
