| Castlebar to Lagoa | 1,354.68 mi (2,180.15 km) |
| Castlebar to Lagos | 1,158.25 mi (1,864.02 km) |
| Castlebar to Lamego | 884.32 mi (1,423.17 km) |
| Castlebar to Leiria | 975.24 mi (1,569.50 km) |
| Castlebar to Lisbon | 1,045.79 mi (1,683.03 km) |
| Castlebar to Loule | 1,156.27 mi (1,860.83 km) |
| Castlebar to Loures | 1,038.32 mi (1,671.01 km) |
| Castlebar to Lourinha | 1,010.66 mi (1,626.50 km) |
| Castlebar to Lousa | 951.18 mi (1,530.78 km) |
| Castlebar to Lousada | 869.24 mi (1,398.91 km) |
| Castlebar to Macedo de Cavaleiros | 858.15 mi (1,381.06 km) |
| Castlebar to Mafamude | 881.22 mi (1,418.19 km) |
| Castlebar to Mafra | 1,030.85 mi (1,659.00 km) |
| Castlebar to Maia | 873.04 mi (1,405.03 km) |
| Castlebar to Mangualde | 918.72 mi (1,478.54 km) |
