| Fort Thomas to Clarksdale (Mississippi) | 478.35 mi (769.83 km) |
| Fort Thomas to Clarkston (Georgia) | 364.20 mi (586.12 km) |
| Fort Thomas to Clarksville (Indiana) | 88.18 mi (141.91 km) |
| Fort Thomas to Clarksville (Tennessee) | 234.42 mi (377.26 km) |
| Fort Thomas to Clawson (Michigan) | 248.33 mi (399.64 km) |
| Fort Thomas to Clay (Alabama) | 390.90 mi (629.09 km) |
| Fort Thomas to Clayton (California) | 2,013.37 mi (3,240.20 km) |
| Fort Thomas to Clayton (Missouri) | 317.64 mi (511.19 km) |
| Fort Thomas to Clayton (North Carolina) | 405.42 mi (652.47 km) |
| Fort Thomas to Clayton (Ohio) | 54.89 mi (88.34 km) |
| Fort Thomas to Clearfield (Utah) | 1,457.96 mi (2,346.36 km) |
| Fort Thomas to Clearlake (California) | 2,034.20 mi (3,273.74 km) |
| Fort Thomas to Clearwater (Florida) | 773.12 mi (1,244.21 km) |
| Fort Thomas to Cleburne (Texas) | 861.56 mi (1,386.55 km) |
| Fort Thomas to Clemmons (North Carolina) | 306.45 mi (493.18 km) |
