| Iowa City to Candler-McAfee (Georgia) | 675.90 mi (1,087.75 km) |
| Iowa City to Caño Martin Peña (Puerto Rico) | 2,196.20 mi (3,534.44 km) |
| Iowa City to Cañon City (Colorado) | 756.37 mi (1,217.25 km) |
| Iowa City to Canóvanas (Puerto Rico) | 2,205.56 mi (3,549.51 km) |
| Iowa City to Canton (Georgia) | 639.19 mi (1,028.67 km) |
| Iowa City to Canton (Illinois) | 108.22 mi (174.16 km) |
| Iowa City to Canton (Mississippi) | 631.27 mi (1,015.92 km) |
| Iowa City to Canton (Ohio) | 531.00 mi (854.55 km) |
| Iowa City to Canyon (Texas) | 726.50 mi (1,169.18 km) |
| Iowa City to Canyon Lake (California) | 1,503.96 mi (2,420.39 km) |
| Iowa City to Canyon Lake (Texas) | 896.38 mi (1,442.58 km) |
| Iowa City to Cape Coral (Florida) | 1,169.93 mi (1,882.82 km) |
| Iowa City to Cape Girardeau (Missouri) | 318.05 mi (511.84 km) |
| Iowa City to Carbondale (Illinois) | 298.15 mi (479.83 km) |
| Iowa City to Carlisle (Pennsylvania) | 753.74 mi (1,213.02 km) |
