| Rockford to Hoyo de Manzanares | 4,213.27 mi (6,780.60 km) |
| Rockford to Huelva | 4,200.76 mi (6,760.47 km) |
| Rockford to Huercal de Almeria | 4,421.79 mi (7,116.19 km) |
| Rockford to Huercal-Overa | 4,424.76 mi (7,120.97 km) |
| Rockford to Huesca | 4,307.82 mi (6,932.77 km) |
| Rockford to Huetor Vega | 4,359.80 mi (7,016.43 km) |
| Rockford to Huetor-Tajar | 4,336.20 mi (6,978.44 km) |
| Rockford to Humanes de Madrid | 4,229.85 mi (6,807.29 km) |
| Rockford to Ibi | 4,436.58 mi (7,139.98 km) |
| Rockford to Ibiza | 4,513.88 mi (7,264.39 km) |
| Rockford to Icod de los Vinos | 4,068.95 mi (6,548.35 km) |
| Rockford to Igualada | 4,416.10 mi (7,107.02 km) |
| Rockford to Illescas | 4,234.73 mi (6,815.15 km) |
| Rockford to Inca | 4,545.83 mi (7,315.81 km) |
| Rockford to Ingenio | 4,149.29 mi (6,677.64 km) |
