| Sluis to Lagoa | 1,689.68 mi (2,719.28 km) |
| Sluis to Lagos | 1,145.60 mi (1,843.66 km) |
| Sluis to Lamego | 883.36 mi (1,421.63 km) |
| Sluis to Leiria | 990.02 mi (1,593.29 km) |
| Sluis to Lisbon | 1,060.17 mi (1,706.18 km) |
| Sluis to Loule | 1,126.05 mi (1,812.20 km) |
| Sluis to Loures | 1,054.23 mi (1,696.62 km) |
| Sluis to Lourinha | 1,034.44 mi (1,664.77 km) |
| Sluis to Lousa | 953.24 mi (1,534.09 km) |
| Sluis to Lousada | 884.43 mi (1,423.35 km) |
| Sluis to Macedo de Cavaleiros | 834.02 mi (1,342.22 km) |
| Sluis to Mafamude | 905.70 mi (1,457.59 km) |
| Sluis to Mafra | 1,052.49 mi (1,693.82 km) |
| Sluis to Maia | 899.42 mi (1,447.47 km) |
| Sluis to Mangualde | 910.88 mi (1,465.92 km) |
