| Fort Thomas to Ridgeland (Mississippi) | 559.67 mi (900.70 km) |
| Fort Thomas to Ridgewood (New Jersey) | 562.17 mi (904.73 km) |
| Fort Thomas to Rifle (Colorado) | 1,243.67 mi (2,001.50 km) |
| Fort Thomas to Rincon (Georgia) | 502.27 mi (808.33 km) |
| Fort Thomas to Ringwood (New Jersey) | 555.47 mi (893.94 km) |
| Fort Thomas to Río Grande (Puerto Rico) | 1,813.40 mi (2,918.39 km) |
| Fort Thomas to Rio Grande City (Texas) | 1,208.30 mi (1,944.56 km) |
| Fort Thomas to Rio Linda (California) | 1,975.69 mi (3,179.57 km) |
| Fort Thomas to Rio Rancho (New Mexico) | 1,248.95 mi (2,009.99 km) |
| Fort Thomas to Rio Rico (Arizona) | 1,578.84 mi (2,540.90 km) |
| Fort Thomas to Ripon (California) | 1,974.44 mi (3,177.56 km) |
| Fort Thomas to River Edge (New Jersey) | 565.32 mi (909.80 km) |
| Fort Thomas to River Falls (Wisconsin) | 578.92 mi (931.69 km) |
| Fort Thomas to River Forest (Illinois) | 262.90 mi (423.10 km) |
| Fort Thomas to River Grove (Illinois) | 265.03 mi (426.52 km) |
