| Potters Bar to Lagoa | 1,084.21 mi (1,744.87 km) |
| Potters Bar to Lagoa | 1,562.22 mi (2,514.15 km) |
| Potters Bar to Lagos | 1,090.28 mi (1,754.64 km) |
| Potters Bar to Lamego | 816.37 mi (1,313.81 km) |
| Potters Bar to Leiria | 922.76 mi (1,485.03 km) |
| Potters Bar to Lisbon | 995.19 mi (1,601.61 km) |
| Potters Bar to Loule | 1,075.14 mi (1,730.27 km) |
| Potters Bar to Loures | 988.67 mi (1,591.12 km) |
| Potters Bar to Lourinha | 966.19 mi (1,554.93 km) |
| Potters Bar to Lousa | 888.14 mi (1,429.33 km) |
| Potters Bar to Lousada | 813.09 mi (1,308.54 km) |
| Potters Bar to Macedo de Cavaleiros | 771.31 mi (1,241.30 km) |
| Potters Bar to Mafamude | 832.75 mi (1,340.18 km) |
| Potters Bar to Mafra | 985.35 mi (1,585.77 km) |
| Potters Bar to Maia | 825.71 mi (1,328.84 km) |
