| Potters Bar to Hoyo de Manzanares | 784.47 mi (1,262.48 km) |
| Potters Bar to Huelva | 1,051.41 mi (1,692.08 km) |
| Potters Bar to Huercal de Almeria | 1,029.50 mi (1,656.82 km) |
| Potters Bar to Huercal-Overa | 992.72 mi (1,597.63 km) |
| Potters Bar to Huesca | 660.95 mi (1,063.69 km) |
| Potters Bar to Huetor Vega | 1,018.65 mi (1,639.37 km) |
| Potters Bar to Huetor-Tajar | 1,019.67 mi (1,640.99 km) |
| Potters Bar to Humanes de Madrid | 809.58 mi (1,302.89 km) |
| Potters Bar to Ibi | 903.30 mi (1,453.73 km) |
| Potters Bar to Ibiza | 887.06 mi (1,427.59 km) |
| Potters Bar to Icod de los Vinos | 1,825.00 mi (2,937.06 km) |
| Potters Bar to Igualada | 704.15 mi (1,133.22 km) |
| Potters Bar to Illescas | 818.94 mi (1,317.95 km) |
| Potters Bar to Inca | 841.03 mi (1,353.50 km) |
| Potters Bar to Ingenio | 1,822.91 mi (2,933.69 km) |
