| Luton to Lagoa | 1,091.41 mi (1,756.45 km) |
| Luton to Lagoa | 1,559.45 mi (2,509.70 km) |
| Luton to Lagos | 1,097.34 mi (1,766.00 km) |
| Luton to Lamego | 822.55 mi (1,323.77 km) |
| Luton to Leiria | 928.75 mi (1,494.68 km) |
| Luton to Lisbon | 1,001.35 mi (1,611.52 km) |
| Luton to Loule | 1,082.64 mi (1,742.35 km) |
| Luton to Loures | 994.78 mi (1,600.94 km) |
| Luton to Lourinha | 972.02 mi (1,564.32 km) |
| Luton to Lousa | 894.42 mi (1,439.43 km) |
| Luton to Lousada | 818.80 mi (1,317.74 km) |
| Luton to Macedo de Cavaleiros | 778.03 mi (1,252.12 km) |
| Luton to Mafamude | 838.25 mi (1,349.03 km) |
| Luton to Mafra | 991.29 mi (1,595.32 km) |
| Luton to Maia | 831.13 mi (1,337.58 km) |
