| Iowa City to Conyers (Georgia) | 688.34 mi (1,107.77 km) |
| Iowa City to Cookeville (Tennessee) | 499.29 mi (803.54 km) |
| Iowa City to Coolidge (Arizona) | 1,248.96 mi (2,010.00 km) |
| Iowa City to Coon Rapids (Minnesota) | 259.04 mi (416.88 km) |
| Iowa City to Cooper City (Florida) | 1,254.19 mi (2,018.42 km) |
| Iowa City to Coos Bay (Oregon) | 1,659.01 mi (2,669.91 km) |
| Iowa City to Copiague (New York) | 944.17 mi (1,519.50 km) |
| Iowa City to Coppell (Texas) | 670.97 mi (1,079.82 km) |
| Iowa City to Copperas Cove (Texas) | 809.38 mi (1,302.58 km) |
| Iowa City to Coral Gables (Florida) | 1,275.58 mi (2,052.85 km) |
| Iowa City to Coral Springs (Florida) | 1,241.33 mi (1,997.73 km) |
| Iowa City to Coral Terrace (Florida) | 1,272.01 mi (2,047.09 km) |
| Iowa City to Coralville (Iowa) | 4.54 mi (7.31 km) |
| Iowa City to Coram (New York) | 961.65 mi (1,547.63 km) |
| Iowa City to Corcoran (California) | 1,548.75 mi (2,492.47 km) |
