| Merzenich to Lagoa | 1,806.57 mi (2,907.40 km) |
| Merzenich to Lagos | 1,207.66 mi (1,943.54 km) |
| Merzenich to Lamego | 958.94 mi (1,543.27 km) |
| Merzenich to Leiria | 1,063.97 mi (1,712.30 km) |
| Merzenich to Lisbon | 1,131.24 mi (1,820.56 km) |
| Merzenich to Loule | 1,184.74 mi (1,906.66 km) |
| Merzenich to Loures | 1,125.86 mi (1,811.90 km) |
| Merzenich to Lourinha | 1,108.50 mi (1,783.96 km) |
| Merzenich to Lousa | 1,026.07 mi (1,651.30 km) |
| Merzenich to Lousada | 963.36 mi (1,550.38 km) |
| Merzenich to Macedo de Cavaleiros | 907.29 mi (1,460.14 km) |
| Merzenich to Mafamude | 985.49 mi (1,586.00 km) |
| Merzenich to Mafra | 1,125.41 mi (1,811.17 km) |
| Merzenich to Maia | 979.90 mi (1,577.00 km) |
| Merzenich to Mangualde | 983.58 mi (1,582.91 km) |
