| Fort Thomas to Clemson (South Carolina) | 316.97 mi (510.11 km) |
| Fort Thomas to Clermont (Florida) | 745.33 mi (1,199.50 km) |
| Fort Thomas to Cleveland (Mississippi) | 507.41 mi (816.60 km) |
| Fort Thomas to Cleveland (Ohio) | 220.77 mi (355.30 km) |
| Fort Thomas to Cleveland (Tennessee) | 270.34 mi (435.07 km) |
| Fort Thomas to Cleveland Heights (Ohio) | 226.65 mi (364.76 km) |
| Fort Thomas to Cliffside Park (New Jersey) | 566.78 mi (912.14 km) |
| Fort Thomas to Clifton (Colorado) | 1,283.95 mi (2,066.32 km) |
| Fort Thomas to Clifton (New Jersey) | 558.47 mi (898.78 km) |
| Fort Thomas to Clinton (Iowa) | 359.15 mi (578.00 km) |
| Fort Thomas to Clinton (Maryland) | 406.17 mi (653.67 km) |
| Fort Thomas to Clinton (Mississippi) | 569.86 mi (917.10 km) |
| Fort Thomas to Clinton (Utah) | 1,459.97 mi (2,349.60 km) |
| Fort Thomas to Clive (Iowa) | 522.05 mi (840.16 km) |
| Fort Thomas to Cloquet (Minnesota) | 665.88 mi (1,071.63 km) |
