| Waltham Cross to Hoyo de Manzanares | 785.29 mi (1,263.81 km) |
| Waltham Cross to Huelva | 1,052.96 mi (1,694.57 km) |
| Waltham Cross to Huercal de Almeria | 1,029.49 mi (1,656.80 km) |
| Waltham Cross to Huercal-Overa | 992.55 mi (1,597.36 km) |
| Waltham Cross to Huesca | 660.27 mi (1,062.61 km) |
| Waltham Cross to Huetor Vega | 1,019.05 mi (1,640.01 km) |
| Waltham Cross to Huetor-Tajar | 1,020.23 mi (1,641.91 km) |
| Waltham Cross to Humanes de Madrid | 810.34 mi (1,304.11 km) |
| Waltham Cross to Ibi | 902.66 mi (1,452.68 km) |
| Waltham Cross to Ibiza | 885.63 mi (1,425.29 km) |
| Waltham Cross to Icod de los Vinos | 1,827.94 mi (2,941.79 km) |
| Waltham Cross to Igualada | 702.51 mi (1,130.57 km) |
| Waltham Cross to Illescas | 819.68 mi (1,319.15 km) |
| Waltham Cross to Inca | 838.97 mi (1,350.20 km) |
| Waltham Cross to Ingenio | 1,825.57 mi (2,937.98 km) |
