| Mount Washington to Clemson (South Carolina) | 277.74 mi (446.98 km) |
| Mount Washington to Clermont (Florida) | 693.24 mi (1,115.65 km) |
| Mount Washington to Cleveland (Mississippi) | 414.68 mi (667.36 km) |
| Mount Washington to Cleveland (Ohio) | 313.98 mi (505.30 km) |
| Mount Washington to Cleveland (Tennessee) | 201.31 mi (323.97 km) |
| Mount Washington to Cleveland Heights (Ohio) | 319.84 mi (514.74 km) |
| Mount Washington to Cliffside Park (New Jersey) | 645.89 mi (1,039.46 km) |
| Mount Washington to Clifton (Colorado) | 1,236.32 mi (1,989.66 km) |
| Mount Washington to Clifton (New Jersey) | 637.95 mi (1,026.69 km) |
| Mount Washington to Clinton (Iowa) | 361.23 mi (581.35 km) |
| Mount Washington to Clinton (Maryland) | 470.70 mi (757.52 km) |
| Mount Washington to Clinton (Mississippi) | 476.80 mi (767.33 km) |
| Mount Washington to Clinton (Utah) | 1,422.01 mi (2,288.51 km) |
| Mount Washington to Clive (Iowa) | 501.87 mi (807.68 km) |
| Mount Washington to Cloquet (Minnesota) | 695.73 mi (1,119.67 km) |
