| Iowa City to Cloverleaf (Texas) | 844.82 mi (1,359.60 km) |
| Iowa City to Cloverly (Maryland) | 783.77 mi (1,261.36 km) |
| Iowa City to Clovis (California) | 1,535.67 mi (2,471.43 km) |
| Iowa City to Clovis (New Mexico) | 805.82 mi (1,296.84 km) |
| Iowa City to Clute (Texas) | 899.20 mi (1,447.13 km) |
| Iowa City to Coachella (California) | 1,447.76 mi (2,329.94 km) |
| Iowa City to Coalinga (California) | 1,586.44 mi (2,553.13 km) |
| Iowa City to Coamo (Puerto Rico) | 2,203.23 mi (3,545.76 km) |
| Iowa City to Coatesville (Pennsylvania) | 828.34 mi (1,333.08 km) |
| Iowa City to Cockeysville (Maryland) | 795.33 mi (1,279.96 km) |
| Iowa City to Cocoa (Florida) | 1,098.89 mi (1,768.49 km) |
| Iowa City to Cocoa Beach (Florida) | 1,106.17 mi (1,780.21 km) |
| Iowa City to Coconut Creek (Florida) | 1,242.92 mi (2,000.28 km) |
| Iowa City to Coeur d'Alene (Idaho) | 1,302.70 mi (2,096.50 km) |
| Iowa City to Cohoes (New York) | 913.58 mi (1,470.27 km) |
