| Iowa City to Camarillo (California) | 1,576.12 mi (2,536.53 km) |
| Iowa City to Camas (Washington) | 1,559.20 mi (2,509.29 km) |
| Iowa City to Cambridge (Maryland) | 842.99 mi (1,356.66 km) |
| Iowa City to Cambridge (Massachusetts) | 1,046.47 mi (1,684.13 km) |
| Iowa City to Camden (Arkansas) | 563.48 mi (906.83 km) |
| Iowa City to Camden (New Jersey) | 865.86 mi (1,393.46 km) |
| Iowa City to Cameron Park (California) | 1,561.22 mi (2,512.53 km) |
| Iowa City to Camp Pendleton South (California) | 1,526.01 mi (2,455.87 km) |
| Iowa City to Camp Springs (Maryland) | 794.37 mi (1,278.42 km) |
| Iowa City to Camp Verde (Arizona) | 1,204.72 mi (1,938.81 km) |
| Iowa City to Campbell (California) | 1,641.80 mi (2,642.23 km) |
| Iowa City to Campbellsville (Kentucky) | 443.92 mi (714.43 km) |
| Iowa City to Campton Hills (Illinois) | 161.64 mi (260.14 km) |
| Iowa City to Canby (Oregon) | 1,572.24 mi (2,530.28 km) |
| Iowa City to Candelaria (Puerto Rico) | 2,191.00 mi (3,526.07 km) |
