| Thornton Heath to Hoyo de Manzanares | 765.38 mi (1,231.76 km) |
| Thornton Heath to Huelva | 1,033.39 mi (1,663.08 km) |
| Thornton Heath to Huercal de Almeria | 1,009.49 mi (1,624.61 km) |
| Thornton Heath to Huercal-Overa | 972.57 mi (1,565.21 km) |
| Thornton Heath to Huesca | 640.45 mi (1,030.70 km) |
| Thornton Heath to Huetor Vega | 999.05 mi (1,607.82 km) |
| Thornton Heath to Huetor-Tajar | 1,000.26 mi (1,609.76 km) |
| Thornton Heath to Humanes de Madrid | 790.41 mi (1,272.04 km) |
| Thornton Heath to Ibi | 882.82 mi (1,420.76 km) |
| Thornton Heath to Ibiza | 866.27 mi (1,394.13 km) |
| Thornton Heath to Icod de los Vinos | 1,809.85 mi (2,912.67 km) |
| Thornton Heath to Igualada | 683.33 mi (1,099.71 km) |
| Thornton Heath to Illescas | 799.75 mi (1,287.07 km) |
| Thornton Heath to Inca | 820.22 mi (1,320.02 km) |
| Thornton Heath to Ingenio | 1,807.10 mi (2,908.24 km) |
