| Iowa City to Irun | 4,332.35 mi (6,972.25 km) |
| Iowa City to Isla-Cristina | 4,317.69 mi (6,948.65 km) |
| Iowa City to Jaca | 4,414.59 mi (7,104.60 km) |
| Iowa City to Jaen | 4,458.06 mi (7,174.55 km) |
| Iowa City to Jerez de la Frontera | 4,391.94 mi (7,068.14 km) |
| Iowa City to Jerez de los Caballeros | 4,300.81 mi (6,921.48 km) |
| Iowa City to Jodar | 4,474.46 mi (7,200.95 km) |
| Iowa City to Jumilla | 4,539.61 mi (7,305.79 km) |
| Iowa City to La Algaba | 4,368.90 mi (7,031.06 km) |
| Iowa City to La Baneza | 4,193.78 mi (6,749.24 km) |
| Iowa City to La Carlota | 4,409.26 mi (7,096.01 km) |
| Iowa City to La Carolina | 4,445.63 mi (7,154.54 km) |
| Iowa City to La Corredoria | 4,158.50 mi (6,692.45 km) |
| Iowa City to La Eliana | 4,531.71 mi (7,293.09 km) |
| Iowa City to La Escala | 4,586.54 mi (7,381.32 km) |
