| Iowa City to Capodrise | 5,083.43 mi (8,180.99 km) |
| Iowa City to Capoterra | 4,952.77 mi (7,970.71 km) |
| Iowa City to Capriolo | 4,712.23 mi (7,583.60 km) |
| Iowa City to Capua | 5,077.52 mi (8,171.49 km) |
| Iowa City to Capurso | 5,184.54 mi (8,343.71 km) |
| Iowa City to Carate Brianza | 4,678.12 mi (7,528.71 km) |
| Iowa City to Caravaggio | 4,707.06 mi (7,575.28 km) |
| Iowa City to Carbonera | 4,798.95 mi (7,723.17 km) |
| Iowa City to Carbonia | 4,934.45 mi (7,941.23 km) |
| Iowa City to Cardito | 5,088.00 mi (8,188.35 km) |
| Iowa City to Carignano | 4,655.66 mi (7,492.56 km) |
| Iowa City to Carini | 5,172.42 mi (8,324.21 km) |
| Iowa City to Carlentini | 5,286.18 mi (8,507.28 km) |
| Iowa City to Carmagnola | 4,659.73 mi (7,499.11 km) |
| Iowa City to Carmiano | 5,260.96 mi (8,466.70 km) |
