| South Houston to Hoyo de Manzanares | 4,984.01 mi (8,020.98 km) |
| South Houston to Huelva | 4,927.57 mi (7,930.16 km) |
| South Houston to Huercal de Almeria | 5,164.36 mi (8,311.24 km) |
| South Houston to Huercal-Overa | 5,174.01 mi (8,326.76 km) |
| South Houston to Huesca | 5,103.45 mi (8,213.22 km) |
| South Houston to Huetor Vega | 5,100.01 mi (8,207.67 km) |
| South Houston to Huetor-Tajar | 5,074.79 mi (8,167.08 km) |
| South Houston to Humanes de Madrid | 4,997.41 mi (8,042.55 km) |
| South Houston to Ibi | 5,202.35 mi (8,372.37 km) |
| South Houston to Ibiza | 5,289.97 mi (8,513.38 km) |
| South Houston to Icod de los Vinos | 4,644.92 mi (7,475.28 km) |
| South Houston to Igualada | 5,214.34 mi (8,391.67 km) |
| South Houston to Illescas | 5,001.04 mi (8,048.39 km) |
| South Houston to Inca | 5,334.14 mi (8,584.48 km) |
| South Houston to Ingenio | 4,727.59 mi (7,608.32 km) |
