| Seaford to Lagoa | 1,032.09 mi (1,660.99 km) |
| Seaford to Lagoa | 1,544.14 mi (2,485.06 km) |
| Seaford to Lagos | 1,038.57 mi (1,671.42 km) |
| Seaford to Lamego | 767.62 mi (1,235.36 km) |
| Seaford to Leiria | 874.39 mi (1,407.20 km) |
| Seaford to Lisbon | 946.24 mi (1,522.83 km) |
| Seaford to Loule | 1,022.17 mi (1,645.02 km) |
| Seaford to Loures | 939.90 mi (1,512.62 km) |
| Seaford to Lourinha | 918.25 mi (1,477.78 km) |
| Seaford to Lousa | 838.98 mi (1,350.20 km) |
| Seaford to Lousada | 765.81 mi (1,232.45 km) |
| Seaford to Macedo de Cavaleiros | 721.03 mi (1,160.38 km) |
| Seaford to Mafamude | 786.10 mi (1,265.10 km) |
| Seaford to Mafra | 937.09 mi (1,508.10 km) |
| Seaford to Maia | 779.31 mi (1,254.17 km) |
