| Fort Thomas to Cibolo (Texas) | 1,022.01 mi (1,644.76 km) |
| Fort Thomas to Cicero (Illinois) | 258.24 mi (415.60 km) |
| Fort Thomas to Cimarron Hills (Colorado) | 1,085.53 mi (1,746.98 km) |
| Fort Thomas to Cincinnati (Ohio) | 5.13 mi (8.26 km) |
| Fort Thomas to Cinco Ranch (Texas) | 910.72 mi (1,465.67 km) |
| Fort Thomas to Circleville (Ohio) | 88.91 mi (143.08 km) |
| Fort Thomas to Citrus (California) | 1,875.32 mi (3,018.04 km) |
| Fort Thomas to Citrus Heights (California) | 1,967.49 mi (3,166.37 km) |
| Fort Thomas to Citrus Park (Florida) | 768.20 mi (1,236.29 km) |
| Fort Thomas to Claiborne (Louisiana) | 626.18 mi (1,007.73 km) |
| Fort Thomas to Claremont (California) | 1,865.76 mi (3,002.65 km) |
| Fort Thomas to Claremont (New Hampshire) | 695.19 mi (1,118.79 km) |
| Fort Thomas to Claremore (Oklahoma) | 638.72 mi (1,027.92 km) |
| Fort Thomas to Clarksburg (Maryland) | 385.05 mi (619.67 km) |
| Fort Thomas to Clarksburg (West Virginia) | 221.55 mi (356.55 km) |
