| Iowa City to Cordele (Georgia) | 795.10 mi (1,279.59 km) |
| Iowa City to Corinth (Mississippi) | 491.42 mi (790.87 km) |
| Iowa City to Corinth (Texas) | 661.69 mi (1,064.88 km) |
| Iowa City to Cornelius (North Carolina) | 715.69 mi (1,151.79 km) |
| Iowa City to Cornelius (Oregon) | 1,589.35 mi (2,557.81 km) |
| Iowa City to Corning (New York) | 744.23 mi (1,197.72 km) |
| Iowa City to Corona (California) | 1,513.46 mi (2,435.68 km) |
| Iowa City to Coronado (California) | 1,534.35 mi (2,469.30 km) |
| Iowa City to Corpus Christi (Texas) | 1,017.53 mi (1,637.56 km) |
| Iowa City to Corsicana (Texas) | 715.19 mi (1,150.99 km) |
| Iowa City to Cortland (New York) | 788.29 mi (1,268.62 km) |
| Iowa City to Corvallis (Oregon) | 1,603.66 mi (2,580.84 km) |
| Iowa City to Coshocton (Ohio) | 514.01 mi (827.22 km) |
| Iowa City to Costa Mesa (California) | 1,537.49 mi (2,474.34 km) |
| Iowa City to Coto de Caza (California) | 1,523.35 mi (2,451.60 km) |
