| Fort Thomas to Cordele (Georgia) | 493.70 mi (794.53 km) |
| Fort Thomas to Corinth (Mississippi) | 362.91 mi (584.04 km) |
| Fort Thomas to Corinth (Texas) | 813.84 mi (1,309.75 km) |
| Fort Thomas to Cornelius (North Carolina) | 317.22 mi (510.52 km) |
| Fort Thomas to Cornelius (Oregon) | 2,001.71 mi (3,221.44 km) |
| Fort Thomas to Corning (New York) | 441.78 mi (710.97 km) |
| Fort Thomas to Corona (California) | 1,864.11 mi (2,999.99 km) |
| Fort Thomas to Coronado (California) | 1,873.29 mi (3,014.77 km) |
| Fort Thomas to Corpus Christi (Texas) | 1,079.98 mi (1,738.07 km) |
| Fort Thomas to Corsicana (Texas) | 829.20 mi (1,334.47 km) |
| Fort Thomas to Cortland (New York) | 495.84 mi (797.97 km) |
| Fort Thomas to Corvallis (Oregon) | 2,015.04 mi (3,242.90 km) |
| Fort Thomas to Coshocton (Ohio) | 160.74 mi (258.69 km) |
| Fort Thomas to Costa Mesa (California) | 1,887.63 mi (3,037.84 km) |
| Fort Thomas to Coto de Caza (California) | 1,871.84 mi (3,012.43 km) |
