| Thames Ditton to Hoyo de Manzanares | 762.21 mi (1,226.65 km) |
| Thames Ditton to Huelva | 1,029.20 mi (1,656.33 km) |
| Thames Ditton to Huercal de Almeria | 1,007.54 mi (1,621.48 km) |
| Thames Ditton to Huercal-Overa | 970.87 mi (1,562.46 km) |
| Thames Ditton to Huesca | 639.52 mi (1,029.21 km) |
| Thames Ditton to Huetor Vega | 996.50 mi (1,603.71 km) |
| Thames Ditton to Huetor-Tajar | 997.46 mi (1,605.25 km) |
| Thames Ditton to Humanes de Madrid | 787.33 mi (1,267.08 km) |
| Thames Ditton to Ibi | 881.83 mi (1,419.18 km) |
| Thames Ditton to Ibiza | 866.50 mi (1,394.49 km) |
| Thames Ditton to Icod de los Vinos | 1,803.78 mi (2,902.90 km) |
| Thames Ditton to Igualada | 683.90 mi (1,100.64 km) |
| Thames Ditton to Illescas | 796.69 mi (1,282.15 km) |
| Thames Ditton to Inca | 821.43 mi (1,321.96 km) |
| Thames Ditton to Ingenio | 1,801.39 mi (2,899.05 km) |
