| Twickenham to Hoyo de Manzanares | 766.16 mi (1,233.02 km) |
| Twickenham to Huelva | 1,032.98 mi (1,662.42 km) |
| Twickenham to Huercal de Almeria | 1,011.63 mi (1,628.06 km) |
| Twickenham to Huercal-Overa | 974.97 mi (1,569.06 km) |
| Twickenham to Huesca | 643.66 mi (1,035.88 km) |
| Twickenham to Huetor Vega | 1,000.53 mi (1,610.20 km) |
| Twickenham to Huetor-Tajar | 1,001.46 mi (1,611.70 km) |
| Twickenham to Humanes de Madrid | 791.30 mi (1,273.47 km) |
| Twickenham to Ibi | 885.98 mi (1,425.84 km) |
| Twickenham to Ibiza | 870.64 mi (1,401.17 km) |
| Twickenham to Icod de los Vinos | 1,807.06 mi (2,908.18 km) |
| Twickenham to Igualada | 688.04 mi (1,107.30 km) |
| Twickenham to Illescas | 800.66 mi (1,288.54 km) |
| Twickenham to Inca | 825.53 mi (1,328.57 km) |
| Twickenham to Ingenio | 1,804.78 mi (2,904.52 km) |
