| Iowa City to Busto Arsizio | 4,671.91 mi (7,518.71 km) |
| Iowa City to Busto Garolfo | 4,675.94 mi (7,525.21 km) |
| Iowa City to Cabras | 4,901.60 mi (7,888.37 km) |
| Iowa City to Cadelbosco di Sopra | 4,774.95 mi (7,684.54 km) |
| Iowa City to Cadoneghe | 4,796.00 mi (7,718.42 km) |
| Iowa City to Cagli | 4,906.82 mi (7,896.77 km) |
| Iowa City to Cagliari | 4,956.23 mi (7,976.28 km) |
| Iowa City to Cairo Montenotte | 4,700.07 mi (7,564.04 km) |
| Iowa City to Caivano | 5,088.00 mi (8,188.35 km) |
| Iowa City to Calcinaia | 4,822.43 mi (7,760.95 km) |
| Iowa City to Calcinato | 4,738.18 mi (7,625.37 km) |
| Iowa City to Calderara di Reno | 4,809.14 mi (7,739.57 km) |
| Iowa City to Caldogno | 4,772.96 mi (7,681.34 km) |
| Iowa City to Calenzano | 4,835.77 mi (7,782.43 km) |
| Iowa City to Calolziocorte | 4,686.27 mi (7,541.82 km) |
