| Mount Vernon to Cadillac (Michigan) | 632.25 mi (1,017.50 km) |
| Mount Vernon to Caguas (Puerto Rico) | 1,633.82 mi (2,629.38 km) |
| Mount Vernon to Cahokia (Illinois) | 882.34 mi (1,419.99 km) |
| Mount Vernon to Calabasas (California) | 2,473.64 mi (3,980.94 km) |
| Mount Vernon to Caldwell (Idaho) | 2,173.26 mi (3,497.53 km) |
| Mount Vernon to Caledonia (Wisconsin) | 733.63 mi (1,180.66 km) |
| Mount Vernon to Calera (Alabama) | 891.26 mi (1,434.34 km) |
| Mount Vernon to Calexico (California) | 2,350.76 mi (3,783.18 km) |
| Mount Vernon to Calhoun (Georgia) | 751.16 mi (1,208.88 km) |
| Mount Vernon to California (Maryland) | 229.81 mi (369.85 km) |
| Mount Vernon to California City (California) | 2,403.86 mi (3,868.63 km) |
| Mount Vernon to Callaway (Florida) | 992.87 mi (1,597.86 km) |
| Mount Vernon to Calumet City (Illinois) | 713.52 mi (1,148.30 km) |
| Mount Vernon to Calverton (Maryland) | 209.06 mi (336.45 km) |
| Mount Vernon to Camano (Washington) | 2,405.22 mi (3,870.82 km) |
