| Welwyn Garden City to Lagoa | 1,090.80 mi (1,755.48 km) |
| Welwyn Garden City to Lagoa | 1,565.37 mi (2,519.22 km) |
| Welwyn Garden City to Lagos | 1,096.84 mi (1,765.19 km) |
| Welwyn Garden City to Lamego | 822.69 mi (1,323.99 km) |
| Welwyn Garden City to Leiria | 929.03 mi (1,495.12 km) |
| Welwyn Garden City to Lisbon | 1,001.51 mi (1,611.78 km) |
| Welwyn Garden City to Loule | 1,081.81 mi (1,741.00 km) |
| Welwyn Garden City to Loures | 994.98 mi (1,601.26 km) |
| Welwyn Garden City to Lourinha | 972.41 mi (1,564.95 km) |
| Welwyn Garden City to Lousa | 894.49 mi (1,439.54 km) |
| Welwyn Garden City to Lousada | 819.28 mi (1,318.50 km) |
| Welwyn Garden City to Macedo de Cavaleiros | 777.77 mi (1,251.70 km) |
| Welwyn Garden City to Mafamude | 838.88 mi (1,350.04 km) |
| Welwyn Garden City to Mafra | 991.61 mi (1,595.84 km) |
| Welwyn Garden City to Maia | 831.81 mi (1,338.67 km) |
