| Preston to Lagoa | 1,181.10 mi (1,900.80 km) |
| Preston to Lagoa | 1,548.93 mi (2,492.76 km) |
| Preston to Lagos | 1,185.68 mi (1,908.17 km) |
| Preston to Lamego | 906.04 mi (1,458.13 km) |
| Preston to Leiria | 1,009.17 mi (1,624.10 km) |
| Preston to Lisbon | 1,082.40 mi (1,741.96 km) |
| Preston to Loule | 1,175.16 mi (1,891.24 km) |
| Preston to Loures | 1,075.39 mi (1,730.68 km) |
| Preston to Lourinha | 1,050.47 mi (1,690.57 km) |
| Preston to Lousa | 977.79 mi (1,573.59 km) |
| Preston to Lousada | 898.12 mi (1,445.38 km) |
| Preston to Macedo de Cavaleiros | 866.91 mi (1,395.16 km) |
| Preston to Mafamude | 915.36 mi (1,473.13 km) |
| Preston to Mafra | 1,070.42 mi (1,722.68 km) |
| Preston to Maia | 907.67 mi (1,460.76 km) |
