| Fort Thomas to Cadillac (Michigan) | 360.60 mi (580.33 km) |
| Fort Thomas to Caguas (Puerto Rico) | 1,814.53 mi (2,920.20 km) |
| Fort Thomas to Cahokia (Illinois) | 310.31 mi (499.39 km) |
| Fort Thomas to Calabasas (California) | 1,916.63 mi (3,084.51 km) |
| Fort Thomas to Caldwell (Idaho) | 1,688.68 mi (2,717.68 km) |
| Fort Thomas to Caledonia (Wisconsin) | 312.91 mi (503.58 km) |
| Fort Thomas to Calera (Alabama) | 430.84 mi (693.37 km) |
| Fort Thomas to Calexico (California) | 1,783.62 mi (2,870.45 km) |
| Fort Thomas to Calhoun (Georgia) | 318.22 mi (512.12 km) |
| Fort Thomas to California (Maryland) | 432.38 mi (695.85 km) |
| Fort Thomas to California City (California) | 1,850.52 mi (2,978.13 km) |
| Fort Thomas to Callaway (Florida) | 621.22 mi (999.76 km) |
| Fort Thomas to Calumet City (Illinois) | 239.26 mi (385.05 km) |
| Fort Thomas to Calverton (Maryland) | 402.37 mi (647.56 km) |
| Fort Thomas to Camano (Washington) | 1,979.42 mi (3,185.57 km) |
