| Willebroek to Lagoa | 1,723.10 mi (2,773.06 km) |
| Willebroek to Lagos | 1,157.96 mi (1,863.55 km) |
| Willebroek to Lamego | 900.20 mi (1,448.73 km) |
| Willebroek to Leiria | 1,006.45 mi (1,619.73 km) |
| Willebroek to Lisbon | 1,075.65 mi (1,731.10 km) |
| Willebroek to Loule | 1,137.18 mi (1,830.12 km) |
| Willebroek to Loures | 1,069.91 mi (1,721.85 km) |
| Willebroek to Lourinha | 1,050.98 mi (1,691.38 km) |
| Willebroek to Lousa | 969.20 mi (1,559.77 km) |
| Willebroek to Lousada | 902.52 mi (1,452.46 km) |
| Willebroek to Macedo de Cavaleiros | 849.90 mi (1,367.78 km) |
| Willebroek to Mafamude | 924.15 mi (1,487.28 km) |
| Willebroek to Mafra | 1,068.64 mi (1,719.80 km) |
| Willebroek to Maia | 918.11 mi (1,477.56 km) |
| Willebroek to Mangualde | 926.71 mi (1,491.39 km) |
