| Iowa City to Clemson (South Carolina) | 674.81 mi (1,086.00 km) |
| Iowa City to Clermont (Florida) | 1,061.19 mi (1,707.81 km) |
| Iowa City to Cleveland (Mississippi) | 548.41 mi (882.57 km) |
| Iowa City to Cleveland (Ohio) | 509.06 mi (819.25 km) |
| Iowa City to Cleveland (Tennessee) | 574.12 mi (923.95 km) |
| Iowa City to Cleveland Heights (Ohio) | 514.90 mi (828.65 km) |
| Iowa City to Cliffside Park (New Jersey) | 911.67 mi (1,467.19 km) |
| Iowa City to Clifton (Colorado) | 907.34 mi (1,460.22 km) |
| Iowa City to Clifton (New Jersey) | 902.47 mi (1,452.38 km) |
| Iowa City to Clinton (Iowa) | 67.70 mi (108.96 km) |
| Iowa City to Clinton (Maryland) | 796.31 mi (1,281.54 km) |
| Iowa City to Clinton (Mississippi) | 646.02 mi (1,039.68 km) |
| Iowa City to Clinton (Utah) | 1,062.41 mi (1,709.79 km) |
| Iowa City to Clive (Iowa) | 117.13 mi (188.51 km) |
| Iowa City to Cloquet (Minnesota) | 353.26 mi (568.52 km) |
