| Belfast to Lagoa | 1,212.46 mi (1,951.27 km) |
| Belfast to Lagoa | 1,485.69 mi (2,390.99 km) |
| Belfast to Lagos | 1,215.64 mi (1,956.39 km) |
| Belfast to Lamego | 936.43 mi (1,507.04 km) |
| Belfast to Leiria | 1,034.38 mi (1,664.68 km) |
| Belfast to Lisbon | 1,106.87 mi (1,781.33 km) |
| Belfast to Loule | 1,209.40 mi (1,946.34 km) |
| Belfast to Loures | 1,099.57 mi (1,769.58 km) |
| Belfast to Lourinha | 1,073.02 mi (1,726.86 km) |
| Belfast to Lousa | 1,006.46 mi (1,619.74 km) |
| Belfast to Lousada | 924.76 mi (1,488.26 km) |
| Belfast to Macedo de Cavaleiros | 903.41 mi (1,453.91 km) |
| Belfast to Mafamude | 939.49 mi (1,511.97 km) |
| Belfast to Mafra | 1,093.26 mi (1,759.44 km) |
| Belfast to Maia | 931.47 mi (1,499.05 km) |
