| Iowa City to Hoyo de Manzanares | 4,343.44 mi (6,990.09 km) |
| Iowa City to Huelva | 4,332.88 mi (6,973.10 km) |
| Iowa City to Huercal de Almeria | 4,553.23 mi (7,327.71 km) |
| Iowa City to Huercal-Overa | 4,555.91 mi (7,332.02 km) |
| Iowa City to Huesca | 4,436.27 mi (7,139.49 km) |
| Iowa City to Huetor Vega | 4,491.37 mi (7,228.15 km) |
| Iowa City to Huetor-Tajar | 4,467.83 mi (7,190.29 km) |
| Iowa City to Humanes de Madrid | 4,360.19 mi (7,017.05 km) |
| Iowa City to Ibi | 4,566.89 mi (7,349.70 km) |
| Iowa City to Ibiza | 4,643.54 mi (7,473.06 km) |
| Iowa City to Icod de los Vinos | 4,201.69 mi (6,761.96 km) |
| Iowa City to Igualada | 4,544.27 mi (7,313.30 km) |
| Iowa City to Illescas | 4,365.14 mi (7,025.01 km) |
| Iowa City to Inca | 4,674.66 mi (7,523.13 km) |
| Iowa City to Ingenio | 4,282.10 mi (6,891.37 km) |
