| McDonough to Carrollwood (Florida) | 384.32 mi (618.50 km) |
| McDonough to Carson (California) | 1,952.95 mi (3,142.97 km) |
| McDonough to Carson City (Nevada) | 2,007.87 mi (3,231.35 km) |
| McDonough to Carteret (New Jersey) | 736.25 mi (1,184.88 km) |
| McDonough to Cartersville (Georgia) | 62.46 mi (100.52 km) |
| McDonough to Carthage (Missouri) | 627.86 mi (1,010.44 km) |
| McDonough to Cary (Illinois) | 645.91 mi (1,039.49 km) |
| McDonough to Cary (North Carolina) | 343.57 mi (552.92 km) |
| McDonough to Casa de Oro-Mount Helix (California) | 1,892.14 mi (3,045.11 km) |
| McDonough to Casa Grande (Arizona) | 1,592.58 mi (2,563.01 km) |
| McDonough to Casas Adobes (Arizona) | 1,555.93 mi (2,504.03 km) |
| McDonough to Cascades (Virginia) | 540.14 mi (869.26 km) |
| McDonough to Casper (Wyoming) | 1,362.80 mi (2,193.22 km) |
| McDonough to Casselberry (Florida) | 370.07 mi (595.58 km) |
| McDonough to Castaic (California) | 1,967.75 mi (3,166.78 km) |
