| Middlesex to Hoyo de Manzanares | 3,596.82 mi (5,788.53 km) |
| Middlesex to Huelva | 3,547.84 mi (5,709.70 km) |
| Middlesex to Huercal de Almeria | 3,781.43 mi (6,085.62 km) |
| Middlesex to Huercal-Overa | 3,789.79 mi (6,099.07 km) |
| Middlesex to Huesca | 3,716.20 mi (5,980.65 km) |
| Middlesex to Huetor Vega | 3,717.45 mi (5,982.66 km) |
| Middlesex to Huetor-Tajar | 3,692.53 mi (5,942.55 km) |
| Middlesex to Humanes de Madrid | 3,610.48 mi (5,810.51 km) |
| Middlesex to Ibi | 3,815.79 mi (6,140.91 km) |
| Middlesex to Ibiza | 3,902.63 mi (6,280.68 km) |
| Middlesex to Icod de los Vinos | 3,338.11 mi (5,372.17 km) |
| Middlesex to Igualada | 3,827.21 mi (6,159.29 km) |
| Middlesex to Illescas | 3,614.23 mi (5,816.54 km) |
| Middlesex to Inca | 3,946.53 mi (6,351.32 km) |
| Middlesex to Ingenio | 3,419.61 mi (5,503.33 km) |
