| Mount Washington to Clarksdale (Mississippi) | 385.98 mi (621.17 km) |
| Mount Washington to Clarkston (Georgia) | 301.46 mi (485.15 km) |
| Mount Washington to Clarksville (Indiana) | 22.46 mi (36.14 km) |
| Mount Washington to Clarksville (Tennessee) | 141.44 mi (227.62 km) |
| Mount Washington to Clawson (Michigan) | 335.31 mi (539.64 km) |
| Mount Washington to Clay (Alabama) | 306.14 mi (492.69 km) |
| Mount Washington to Clayton (California) | 1,967.82 mi (3,166.90 km) |
| Mount Washington to Clayton (Missouri) | 262.05 mi (421.73 km) |
| Mount Washington to Clayton (North Carolina) | 425.82 mi (685.29 km) |
| Mount Washington to Clayton (Ohio) | 142.31 mi (229.03 km) |
| Mount Washington to Clearfield (Utah) | 1,419.84 mi (2,285.01 km) |
| Mount Washington to Clearlake (California) | 1,991.95 mi (3,205.73 km) |
| Mount Washington to Clearwater (Florida) | 713.83 mi (1,148.79 km) |
| Mount Washington to Cleburne (Texas) | 775.42 mi (1,247.92 km) |
| Mount Washington to Clemmons (North Carolina) | 317.08 mi (510.29 km) |
