| Louth to Lagoa | 1,192.48 mi (1,919.11 km) |
| Louth to Lagoa | 1,625.78 mi (2,616.45 km) |
| Louth to Lagos | 1,198.16 mi (1,928.25 km) |
| Louth to Lamego | 921.89 mi (1,483.64 km) |
| Louth to Leiria | 1,027.60 mi (1,653.76 km) |
| Louth to Lisbon | 1,100.47 mi (1,771.04 km) |
| Louth to Loule | 1,184.23 mi (1,905.83 km) |
| Louth to Loures | 1,093.79 mi (1,760.28 km) |
| Louth to Lourinha | 1,070.48 mi (1,722.77 km) |
| Louth to Lousa | 993.88 mi (1,599.50 km) |
| Louth to Lousada | 917.14 mi (1,476.00 km) |
| Louth to Macedo de Cavaleiros | 878.45 mi (1,413.72 km) |
| Louth to Mafamude | 936.09 mi (1,506.49 km) |
| Louth to Mafra | 1,089.94 mi (1,754.09 km) |
| Louth to Maia | 928.81 mi (1,494.77 km) |
