| Rock Island to Hoyo de Manzanares | 4,308.32 mi (6,933.56 km) |
| Rock Island to Huelva | 4,294.91 mi (6,911.99 km) |
| Rock Island to Huercal de Almeria | 4,516.38 mi (7,268.41 km) |
| Rock Island to Huercal-Overa | 4,519.49 mi (7,273.41 km) |
| Rock Island to Huesca | 4,403.10 mi (7,086.11 km) |
| Rock Island to Huetor Vega | 4,454.32 mi (7,168.54 km) |
| Rock Island to Huetor-Tajar | 4,430.67 mi (7,130.48 km) |
| Rock Island to Humanes de Madrid | 4,324.85 mi (6,960.18 km) |
| Rock Island to Ibi | 4,531.59 mi (7,292.88 km) |
| Rock Island to Ibiza | 4,609.03 mi (7,417.52 km) |
| Rock Island to Icod de los Vinos | 4,156.90 mi (6,689.89 km) |
| Rock Island to Igualada | 4,511.39 mi (7,260.39 km) |
| Rock Island to Illescas | 4,329.72 mi (6,968.01 km) |
| Rock Island to Inca | 4,641.09 mi (7,469.11 km) |
| Rock Island to Ingenio | 4,237.45 mi (6,819.51 km) |
