| Frederick to Conyers (Georgia) | 540.40 mi (869.69 km) |
| Frederick to Cookeville (Tennessee) | 496.70 mi (799.35 km) |
| Frederick to Coolidge (Arizona) | 1,942.17 mi (3,125.62 km) |
| Frederick to Coon Rapids (Minnesota) | 901.82 mi (1,451.34 km) |
| Frederick to Cooper City (Florida) | 939.77 mi (1,512.41 km) |
| Frederick to Coos Bay (Oregon) | 2,409.58 mi (3,877.84 km) |
| Frederick to Copiague (New York) | 229.21 mi (368.88 km) |
| Frederick to Coppell (Texas) | 1,176.36 mi (1,893.17 km) |
| Frederick to Copperas Cove (Texas) | 1,287.02 mi (2,071.26 km) |
| Frederick to Coral Gables (Florida) | 962.98 mi (1,549.76 km) |
| Frederick to Coral Springs (Florida) | 924.23 mi (1,487.41 km) |
| Frederick to Coral Terrace (Florida) | 960.40 mi (1,545.61 km) |
| Frederick to Coralville (Iowa) | 759.74 mi (1,222.68 km) |
| Frederick to Coram (New York) | 253.32 mi (407.67 km) |
| Frederick to Corcoran (California) | 2,292.98 mi (3,690.19 km) |
