| Middelkerke to Lagoa | 1,663.76 mi (2,677.56 km) |
| Middelkerke to Lagos | 1,124.50 mi (1,809.72 km) |
| Middelkerke to Lamego | 860.89 mi (1,385.46 km) |
| Middelkerke to Leiria | 967.63 mi (1,557.26 km) |
| Middelkerke to Lisbon | 1,038.05 mi (1,670.58 km) |
| Middelkerke to Loule | 1,105.40 mi (1,778.97 km) |
| Middelkerke to Loures | 1,032.06 mi (1,660.93 km) |
| Middelkerke to Lourinha | 1,012.00 mi (1,628.65 km) |
| Middelkerke to Lousa | 931.02 mi (1,498.32 km) |
| Middelkerke to Lousada | 861.57 mi (1,386.57 km) |
| Middelkerke to Macedo de Cavaleiros | 811.87 mi (1,306.58 km) |
| Middelkerke to Mafamude | 882.73 mi (1,420.61 km) |
| Middelkerke to Mafra | 1,030.17 mi (1,657.89 km) |
| Middelkerke to Maia | 876.37 mi (1,410.38 km) |
| Middelkerke to Mangualde | 888.71 mi (1,430.25 km) |
