| Sligo to Lagoa | 1,397.63 mi (2,249.27 km) |
| Sligo to Lagos | 1,185.94 mi (1,908.59 km) |
| Sligo to Lamego | 910.20 mi (1,464.83 km) |
| Sligo to Leiria | 1,003.12 mi (1,614.36 km) |
| Sligo to Lisbon | 1,074.26 mi (1,728.86 km) |
| Sligo to Loule | 1,182.87 mi (1,903.65 km) |
| Sligo to Loures | 1,066.83 mi (1,716.89 km) |
| Sligo to Lourinha | 1,039.41 mi (1,672.77 km) |
| Sligo to Lousa | 978.02 mi (1,573.97 km) |
| Sligo to Lousada | 895.98 mi (1,441.94 km) |
| Sligo to Macedo de Cavaleiros | 882.17 mi (1,419.72 km) |
| Sligo to Mafamude | 908.70 mi (1,462.41 km) |
| Sligo to Mafra | 1,059.64 mi (1,705.33 km) |
| Sligo to Maia | 900.54 mi (1,449.28 km) |
| Sligo to Mangualde | 944.58 mi (1,520.15 km) |
