| Grays to Clarkston (Georgia) | 4,216.94 mi (6,786.51 km) |
| Grays to Clarksville (Indiana) | 4,061.10 mi (6,535.70 km) |
| Grays to Clarksville (Tennessee) | 4,207.32 mi (6,771.03 km) |
| Grays to Clawson (Michigan) | 3,764.05 mi (6,057.65 km) |
| Grays to Clay (Alabama) | 4,318.59 mi (6,950.09 km) |
| Grays to Clayton (California) | 5,345.08 mi (8,602.07 km) |
| Grays to Clayton (Missouri) | 4,223.10 mi (6,796.42 km) |
| Grays to Clayton (North Carolina) | 3,891.39 mi (6,262.59 km) |
| Grays to Clayton (Ohio) | 3,931.89 mi (6,327.76 km) |
| Grays to Clearfield (Utah) | 4,862.63 mi (7,825.65 km) |
| Grays to Clearlake (California) | 5,306.24 mi (8,539.57 km) |
| Grays to Clearwater (Florida) | 4,444.77 mi (7,153.17 km) |
| Grays to Cleburne (Texas) | 4,812.19 mi (7,744.47 km) |
| Grays to Clemmons (North Carolina) | 3,953.32 mi (6,362.25 km) |
| Grays to Clemson (South Carolina) | 4,116.55 mi (6,624.95 km) |
