| Potters Bar to La Union | 973.33 mi (1,566.43 km) |
| Potters Bar to La Victoria de Acentejo | 1,814.06 mi (2,919.45 km) |
| Potters Bar to Laguna de Duero | 730.83 mi (1,176.16 km) |
| Potters Bar to Lalin | 726.81 mi (1,169.69 km) |
| Potters Bar to Lardero | 649.45 mi (1,045.19 km) |
| Potters Bar to Laredo | 591.63 mi (952.14 km) |
| Potters Bar to Las Cabezas de San Juan | 1,055.02 mi (1,697.89 km) |
| Potters Bar to Las Palmas | 1,809.66 mi (2,912.37 km) |
| Potters Bar to Las Rozas de Madrid | 793.94 mi (1,277.73 km) |
| Potters Bar to Las Torres de Cotillas | 946.02 mi (1,522.47 km) |
| Potters Bar to Lebrija | 1,061.01 mi (1,707.53 km) |
| Potters Bar to Leganes | 803.90 mi (1,293.76 km) |
| Potters Bar to Leon | 676.84 mi (1,089.26 km) |
| Potters Bar to Lepe | 1,055.07 mi (1,697.98 km) |
| Potters Bar to Linares | 955.44 mi (1,537.64 km) |
