| Mount Vernon to Castle Pines (Colorado) | 1,632.91 mi (2,627.92 km) |
| Mount Vernon to Castle Rock (Colorado) | 1,633.44 mi (2,628.76 km) |
| Mount Vernon to Castro Valley (California) | 2,555.30 mi (4,112.36 km) |
| Mount Vernon to Catalina Foothills (Arizona) | 2,121.97 mi (3,414.98 km) |
| Mount Vernon to Cataño (Puerto Rico) | 1,618.33 mi (2,604.44 km) |
| Mount Vernon to Cathedral City (California) | 2,367.31 mi (3,809.82 km) |
| Mount Vernon to Catonsville (Maryland) | 191.54 mi (308.26 km) |
| Mount Vernon to Cave Spring (Virginia) | 417.87 mi (672.50 km) |
| Mount Vernon to Cayce (South Carolina) | 622.75 mi (1,002.21 km) |
| Mount Vernon to Cayey (Puerto Rico) | 1,639.57 mi (2,638.64 km) |
| Mount Vernon to Cedar City (Utah) | 2,093.68 mi (3,369.46 km) |
| Mount Vernon to Cedar Falls (Iowa) | 964.96 mi (1,552.95 km) |
| Mount Vernon to Cedar Hill (Texas) | 1,398.39 mi (2,250.49 km) |
| Mount Vernon to Cedar Lake (Indiana) | 708.13 mi (1,139.63 km) |
| Mount Vernon to Cedar Mill (Oregon) | 2,447.56 mi (3,938.98 km) |
