| Fort Thomas to Cullman (Alabama) | 363.67 mi (585.28 km) |
| Fort Thomas to Culpeper (Virginia) | 349.99 mi (563.26 km) |
| Fort Thomas to Culver City (California) | 1,905.21 mi (3,066.14 km) |
| Fort Thomas to Cumberland (Maryland) | 306.62 mi (493.46 km) |
| Fort Thomas to Cupertino (California) | 2,030.42 mi (3,267.64 km) |
| Fort Thomas to Cutler Bay (Florida) | 963.15 mi (1,550.04 km) |
| Fort Thomas to Cutlerville (Michigan) | 267.50 mi (430.50 km) |
| Fort Thomas to Cuyahoga Falls (Ohio) | 211.43 mi (340.27 km) |
| Fort Thomas to Cypress (California) | 1,890.61 mi (3,042.64 km) |
| Fort Thomas to Cypress Gardens (Florida) | 781.60 mi (1,257.86 km) |
| Fort Thomas to Cypress Lake (Florida) | 878.96 mi (1,414.55 km) |
| Fort Thomas to D'Iberville (Mississippi) | 645.98 mi (1,039.60 km) |
| Fort Thomas to Dakota Ridge (Colorado) | 1,103.24 mi (1,775.50 km) |
| Fort Thomas to Dale City (Virginia) | 383.36 mi (616.96 km) |
| Fort Thomas to Dallas (Georgia) | 357.51 mi (575.36 km) |
