| Fort Thomas to Carlsbad (California) | 1,867.67 mi (3,005.73 km) |
| Fort Thomas to Carlsbad (New Mexico) | 1,198.57 mi (1,928.91 km) |
| Fort Thomas to Carmel (Indiana) | 109.04 mi (175.49 km) |
| Fort Thomas to Carmichael (California) | 1,970.46 mi (3,171.15 km) |
| Fort Thomas to Carney (Maryland) | 424.71 mi (683.50 km) |
| Fort Thomas to Carnot-Moon (Pennsylvania) | 245.72 mi (395.45 km) |
| Fort Thomas to Carol Stream (Illinois) | 275.28 mi (443.02 km) |
| Fort Thomas to Carolina (Puerto Rico) | 1,806.74 mi (2,907.66 km) |
| Fort Thomas to Carolina Forest (South Carolina) | 479.04 mi (770.94 km) |
| Fort Thomas to Carpentersville (Illinois) | 291.02 mi (468.34 km) |
| Fort Thomas to Carpinteria (California) | 1,955.69 mi (3,147.38 km) |
| Fort Thomas to Carrboro (North Carolina) | 365.87 mi (588.80 km) |
| Fort Thomas to Carroll (Iowa) | 583.72 mi (939.41 km) |
| Fort Thomas to Carrollton (Georgia) | 381.52 mi (613.99 km) |
| Fort Thomas to Carrollton (Texas) | 811.80 mi (1,306.47 km) |
