| Iowa City to Cervignano del Friuli | 4,831.95 mi (7,776.26 km) |
| Iowa City to Cesa | 5,084.63 mi (8,182.93 km) |
| Iowa City to Cesano Maderno | 4,682.40 mi (7,535.59 km) |
| Iowa City to Cesena | 4,865.24 mi (7,829.85 km) |
| Iowa City to Cesenatico | 4,868.27 mi (7,834.73 km) |
| Iowa City to Cetraro | 5,219.74 mi (8,400.35 km) |
| Iowa City to Cherasco | 4,673.93 mi (7,521.97 km) |
| Iowa City to Chiampo | 4,767.16 mi (7,672.01 km) |
| Iowa City to Chiaravalle | 4,930.73 mi (7,935.24 km) |
| Iowa City to Chiari | 4,715.31 mi (7,588.55 km) |
| Iowa City to Chiavari | 4,745.26 mi (7,636.76 km) |
| Iowa City to Chieri | 4,657.04 mi (7,494.78 km) |
| Iowa City to Chieti | 5,019.00 mi (8,077.30 km) |
| Iowa City to Chioggia | 4,819.07 mi (7,755.55 km) |
| Iowa City to Chiusi | 4,903.43 mi (7,891.32 km) |
