| Frederick to Cloverleaf (Texas) | 1,206.40 mi (1,941.51 km) |
| Frederick to Cloverly (Maryland) | 31.67 mi (50.97 km) |
| Frederick to Clovis (California) | 2,283.32 mi (3,674.65 km) |
| Frederick to Clovis (New Mexico) | 1,459.45 mi (2,348.76 km) |
| Frederick to Clute (Texas) | 1,250.12 mi (2,011.88 km) |
| Frederick to Coachella (California) | 2,168.60 mi (3,490.02 km) |
| Frederick to Coalinga (California) | 2,332.00 mi (3,752.99 km) |
| Frederick to Coamo (Puerto Rico) | 1,617.18 mi (2,602.60 km) |
| Frederick to Coatesville (Pennsylvania) | 92.89 mi (149.50 km) |
| Frederick to Cockeysville (Maryland) | 41.99 mi (67.57 km) |
| Frederick to Cocoa (Florida) | 787.26 mi (1,266.98 km) |
| Frederick to Cocoa Beach (Florida) | 788.68 mi (1,269.26 km) |
| Frederick to Coconut Creek (Florida) | 922.78 mi (1,485.08 km) |
| Frederick to Coeur d'Alene (Idaho) | 2,028.29 mi (3,264.21 km) |
| Frederick to Cohoes (New York) | 300.73 mi (483.97 km) |
