| Iowa City to Cullman (Alabama) | 576.24 mi (927.37 km) |
| Iowa City to Culpeper (Virginia) | 747.62 mi (1,203.18 km) |
| Iowa City to Culver City (California) | 1,550.81 mi (2,495.79 km) |
| Iowa City to Cumberland (Maryland) | 682.97 mi (1,099.14 km) |
| Iowa City to Cupertino (California) | 1,645.72 mi (2,648.53 km) |
| Iowa City to Cutler Bay (Florida) | 1,281.56 mi (2,062.48 km) |
| Iowa City to Cutlerville (Michigan) | 310.46 mi (499.63 km) |
| Iowa City to Cuyahoga Falls (Ohio) | 519.51 mi (836.07 km) |
| Iowa City to Cypress (California) | 1,538.83 mi (2,476.51 km) |
| Iowa City to Cypress Gardens (Florida) | 1,094.37 mi (1,761.22 km) |
| Iowa City to Cypress Lake (Florida) | 1,179.02 mi (1,897.45 km) |
| Iowa City to D'Iberville (Mississippi) | 786.52 mi (1,265.79 km) |
| Iowa City to Dakota Ridge (Colorado) | 726.21 mi (1,168.72 km) |
| Iowa City to Dale City (Virginia) | 776.37 mi (1,249.44 km) |
| Iowa City to Dallas (Georgia) | 647.16 mi (1,041.50 km) |
