| Iowa City to Central Point (Oregon) | 1,602.46 mi (2,578.91 km) |
| Iowa City to Centralia (Illinois) | 251.10 mi (404.10 km) |
| Iowa City to Centralia (Washington) | 1,585.15 mi (2,551.05 km) |
| Iowa City to Centreville (Virginia) | 767.20 mi (1,234.70 km) |
| Iowa City to Ceres (California) | 1,583.23 mi (2,547.96 km) |
| Iowa City to Cerritos (California) | 1,538.69 mi (2,476.27 km) |
| Iowa City to Chalco (Nebraska) | 240.81 mi (387.54 km) |
| Iowa City to Chalmette (Louisiana) | 813.92 mi (1,309.88 km) |
| Iowa City to Chambersburg (Pennsylvania) | 734.64 mi (1,182.29 km) |
| Iowa City to Chamblee (Georgia) | 665.96 mi (1,071.76 km) |
| Iowa City to Champaign (Illinois) | 200.69 mi (322.98 km) |
| Iowa City to Champlin (Minnesota) | 260.12 mi (418.63 km) |
| Iowa City to Chandler (Arizona) | 1,251.23 mi (2,013.65 km) |
| Iowa City to Chanhassen (Minnesota) | 243.49 mi (391.86 km) |
| Iowa City to Channahon (Illinois) | 169.90 mi (273.43 km) |
