| Mount Vernon to Carrollwood (Florida) | 1,015.41 mi (1,634.14 km) |
| Mount Vernon to Carson (California) | 2,460.73 mi (3,960.16 km) |
| Mount Vernon to Carson City (Nevada) | 2,404.19 mi (3,869.17 km) |
| Mount Vernon to Carteret (New Jersey) | 30.86 mi (49.67 km) |
| Mount Vernon to Cartersville (Georgia) | 759.75 mi (1,222.70 km) |
| Mount Vernon to Carthage (Missouri) | 1,127.37 mi (1,814.33 km) |
| Mount Vernon to Cary (Illinois) | 749.96 mi (1,206.94 km) |
| Mount Vernon to Cary (North Carolina) | 445.74 mi (717.35 km) |
| Mount Vernon to Casa de Oro-Mount Helix (California) | 2,425.34 mi (3,903.20 km) |
| Mount Vernon to Casa Grande (Arizona) | 2,149.24 mi (3,458.87 km) |
| Mount Vernon to Casas Adobes (Arizona) | 2,127.43 mi (3,423.77 km) |
| Mount Vernon to Cascades (Virginia) | 228.30 mi (367.41 km) |
| Mount Vernon to Casper (Wyoming) | 1,666.45 mi (2,681.89 km) |
| Mount Vernon to Casselberry (Florida) | 946.31 mi (1,522.94 km) |
| Mount Vernon to Castaic (California) | 2,461.97 mi (3,962.15 km) |
