| Prospect Heights to Hoyo de Manzanares | 4,168.16 mi (6,708.01 km) |
| Prospect Heights to Huelva | 4,152.64 mi (6,683.02 km) |
| Prospect Heights to Huercal de Almeria | 4,374.84 mi (7,040.62 km) |
| Prospect Heights to Huercal-Overa | 4,378.26 mi (7,046.13 km) |
| Prospect Heights to Huesca | 4,264.81 mi (6,863.55 km) |
| Prospect Heights to Huetor Vega | 4,312.65 mi (6,940.54 km) |
| Prospect Heights to Huetor-Tajar | 4,288.92 mi (6,902.35 km) |
| Prospect Heights to Humanes de Madrid | 4,184.52 mi (6,734.33 km) |
| Prospect Heights to Ibi | 4,391.26 mi (7,067.06 km) |
| Prospect Heights to Ibiza | 4,469.41 mi (7,192.82 km) |
| Prospect Heights to Icod de los Vinos | 4,013.97 mi (6,459.86 km) |
| Prospect Heights to Igualada | 4,373.39 mi (7,038.29 km) |
| Prospect Heights to Illescas | 4,189.31 mi (6,742.04 km) |
| Prospect Heights to Inca | 4,502.37 mi (7,245.86 km) |
| Prospect Heights to Ingenio | 4,094.43 mi (6,589.35 km) |
