| Dublin to Lagoa | 1,417.51 mi (2,281.26 km) |
| Dublin to Lagos | 1,128.53 mi (1,816.19 km) |
| Dublin to Lamego | 849.40 mi (1,366.98 km) |
| Dublin to Leiria | 947.23 mi (1,524.42 km) |
| Dublin to Lisbon | 1,019.71 mi (1,641.07 km) |
| Dublin to Loule | 1,122.42 mi (1,806.36 km) |
| Dublin to Loures | 1,012.41 mi (1,629.32 km) |
| Dublin to Lourinha | 985.87 mi (1,586.61 km) |
| Dublin to Lousa | 919.35 mi (1,479.56 km) |
| Dublin to Lousada | 837.63 mi (1,348.04 km) |
| Dublin to Macedo de Cavaleiros | 816.71 mi (1,314.37 km) |
| Dublin to Mafamude | 852.34 mi (1,371.71 km) |
| Dublin to Mafra | 1,006.12 mi (1,619.19 km) |
| Dublin to Maia | 844.31 mi (1,358.79 km) |
| Dublin to Mangualde | 883.43 mi (1,421.75 km) |
