| Mont-Saint-Martin to Lagoa | 1,749.44 mi (2,815.45 km) |
| Mont-Saint-Martin to Lagos | 1,121.30 mi (1,804.56 km) |
| Mont-Saint-Martin to Lamego | 878.45 mi (1,413.72 km) |
| Mont-Saint-Martin to Leiria | 982.33 mi (1,580.90 km) |
| Mont-Saint-Martin to Lisbon | 1,048.23 mi (1,686.96 km) |
| Mont-Saint-Martin to Loule | 1,097.42 mi (1,766.12 km) |
| Mont-Saint-Martin to Loures | 1,043.07 mi (1,678.67 km) |
| Mont-Saint-Martin to Lourinha | 1,026.74 mi (1,652.37 km) |
| Mont-Saint-Martin to Lousa | 944.13 mi (1,519.43 km) |
| Mont-Saint-Martin to Lousada | 884.31 mi (1,423.16 km) |
| Mont-Saint-Martin to Macedo de Cavaleiros | 826.10 mi (1,329.48 km) |
| Mont-Saint-Martin to Mafamude | 906.72 mi (1,459.22 km) |
| Mont-Saint-Martin to Mafra | 1,043.13 mi (1,678.75 km) |
| Mont-Saint-Martin to Maia | 901.48 mi (1,450.79 km) |
| Mont-Saint-Martin to Mangualde | 901.77 mi (1,451.26 km) |
