| Fort Thomas to Conyers (Georgia) | 375.03 mi (603.55 km) |
| Fort Thomas to Cookeville (Tennessee) | 210.70 mi (339.09 km) |
| Fort Thomas to Coolidge (Arizona) | 1,565.04 mi (2,518.69 km) |
| Fort Thomas to Coon Rapids (Minnesota) | 618.49 mi (995.36 km) |
| Fort Thomas to Cooper City (Florida) | 932.34 mi (1,500.45 km) |
| Fort Thomas to Coos Bay (Oregon) | 2,068.50 mi (3,328.93 km) |
| Fort Thomas to Copiague (New York) | 596.22 mi (959.52 km) |
| Fort Thomas to Coppell (Texas) | 817.09 mi (1,314.99 km) |
| Fort Thomas to Copperas Cove (Texas) | 937.27 mi (1,508.39 km) |
| Fort Thomas to Coral Gables (Florida) | 955.54 mi (1,537.79 km) |
| Fort Thomas to Coral Springs (Florida) | 917.75 mi (1,476.97 km) |
| Fort Thomas to Coral Terrace (Florida) | 952.18 mi (1,532.39 km) |
| Fort Thomas to Coralville (Iowa) | 417.09 mi (671.24 km) |
| Fort Thomas to Coram (New York) | 618.15 mi (994.81 km) |
| Fort Thomas to Corcoran (California) | 1,921.56 mi (3,092.45 km) |
