| Iowa City to Chivasso | 4,652.20 mi (7,486.99 km) |
| Iowa City to Ciampino | 4,982.95 mi (8,019.28 km) |
| Iowa City to Cicciano | 5,096.35 mi (8,201.78 km) |
| Iowa City to Cingoli | 4,936.71 mi (7,944.86 km) |
| Iowa City to Cinisello Balsamo | 4,688.52 mi (7,545.45 km) |
| Iowa City to Cinisi | 5,167.51 mi (8,316.30 km) |
| Iowa City to Cirie | 4,639.20 mi (7,466.06 km) |
| Iowa City to Ciro Marina | 5,271.91 mi (8,484.31 km) |
| Iowa City to Cislago | 4,674.73 mi (7,523.25 km) |
| Iowa City to Cisterna di Latina | 5,001.29 mi (8,048.80 km) |
| Iowa City to Cisternino | 5,219.20 mi (8,399.49 km) |
| Iowa City to Citta di Castello | 4,895.16 mi (7,878.00 km) |
| Iowa City to Citta Sant'Angelo | 5,006.95 mi (8,057.91 km) |
| Iowa City to Cittadella | 4,781.66 mi (7,695.34 km) |
| Iowa City to Cittanova | 5,278.94 mi (8,495.63 km) |
