| Frederick to Cullman (Alabama) | 634.91 mi (1,021.79 km) |
| Frederick to Culpeper (Virginia) | 73.63 mi (118.49 km) |
| Frederick to Culver City (California) | 2,280.66 mi (3,670.37 km) |
| Frederick to Cumberland (Maryland) | 73.19 mi (117.79 km) |
| Frederick to Cupertino (California) | 2,397.26 mi (3,858.02 km) |
| Frederick to Cutler Bay (Florida) | 972.29 mi (1,564.75 km) |
| Frederick to Cutlerville (Michigan) | 489.69 mi (788.09 km) |
| Frederick to Cuyahoga Falls (Ohio) | 247.19 mi (397.82 km) |
| Frederick to Cypress (California) | 2,266.40 mi (3,647.42 km) |
| Frederick to Cypress Gardens (Florida) | 826.73 mi (1,330.49 km) |
| Frederick to Cypress Lake (Florida) | 927.73 mi (1,493.03 km) |
| Frederick to D'Iberville (Mississippi) | 896.70 mi (1,443.10 km) |
| Frederick to Dakota Ridge (Colorado) | 1,471.46 mi (2,368.09 km) |
| Frederick to Dale City (Virginia) | 54.46 mi (87.64 km) |
| Frederick to Dallas (Georgia) | 560.68 mi (902.33 km) |
