| McDonough to Cibolo (Texas) | 869.70 mi (1,399.65 km) |
| McDonough to Cicero (Illinois) | 613.20 mi (986.85 km) |
| McDonough to Cimarron Hills (Colorado) | 1,202.96 mi (1,935.98 km) |
| McDonough to Cincinnati (Ohio) | 394.44 mi (634.79 km) |
| McDonough to Cinco Ranch (Texas) | 729.04 mi (1,173.28 km) |
| McDonough to Circleville (Ohio) | 431.38 mi (694.24 km) |
| McDonough to Citrus (California) | 1,929.31 mi (3,104.92 km) |
| McDonough to Citrus Heights (California) | 2,091.07 mi (3,365.26 km) |
| McDonough to Citrus Park (Florida) | 382.58 mi (615.70 km) |
| McDonough to Claiborne (Louisiana) | 470.41 mi (757.05 km) |
| McDonough to Claremont (California) | 1,919.37 mi (3,088.92 km) |
| McDonough to Claremont (New Hampshire) | 936.58 mi (1,507.28 km) |
| McDonough to Claremore (Oklahoma) | 678.72 mi (1,092.30 km) |
| McDonough to Clarksburg (Maryland) | 553.37 mi (890.56 km) |
| McDonough to Clarksburg (West Virginia) | 456.53 mi (734.71 km) |
