| Iowa City to Cold Springs (Nevada) | 1,490.06 mi (2,398.02 km) |
| Iowa City to Coldwater (Michigan) | 336.93 mi (542.23 km) |
| Iowa City to Colesville (Maryland) | 784.40 mi (1,262.37 km) |
| Iowa City to College (Alaska) | 2,690.31 mi (4,329.63 km) |
| Iowa City to College Park (Georgia) | 675.07 mi (1,086.42 km) |
| Iowa City to College Park (Maryland) | 789.47 mi (1,270.53 km) |
| Iowa City to College Station (Texas) | 809.47 mi (1,302.72 km) |
| Iowa City to Collegedale (Tennessee) | 575.36 mi (925.96 km) |
| Iowa City to Colleyville (Texas) | 679.41 mi (1,093.41 km) |
| Iowa City to Collierville (Tennessee) | 467.26 mi (751.98 km) |
| Iowa City to Collinsville (Illinois) | 220.98 mi (355.64 km) |
| Iowa City to Colonia (New Jersey) | 897.52 mi (1,444.42 km) |
| Iowa City to Colonial Heights (Virginia) | 811.45 mi (1,305.90 km) |
| Iowa City to Colonial Park (Pennsylvania) | 772.76 mi (1,243.64 km) |
| Iowa City to Colorado Springs (Colorado) | 722.85 mi (1,163.31 km) |
