| Fort Thomas to Dixon (California) | 1,999.58 mi (3,218.02 km) |
| Fort Thomas to Dixon (Illinois) | 325.97 mi (524.60 km) |
| Fort Thomas to Dobbs Ferry (New York) | 575.02 mi (925.41 km) |
| Fort Thomas to Doctor Phillips (Florida) | 753.94 mi (1,213.35 km) |
| Fort Thomas to Dodge City (Kansas) | 846.51 mi (1,362.33 km) |
| Fort Thomas to Dolton (Illinois) | 241.71 mi (389.00 km) |
| Fort Thomas to Donna (Texas) | 1,191.04 mi (1,916.80 km) |
| Fort Thomas to Dorado (Puerto Rico) | 1,792.58 mi (2,884.89 km) |
| Fort Thomas to Doral (Florida) | 946.81 mi (1,523.74 km) |
| Fort Thomas to Doraville (Georgia) | 357.55 mi (575.42 km) |
| Fort Thomas to Dothan (Alabama) | 544.81 mi (876.78 km) |
| Fort Thomas to Douglas (Arizona) | 1,507.12 mi (2,425.48 km) |
| Fort Thomas to Douglas (Georgia) | 530.95 mi (854.49 km) |
| Fort Thomas to Douglasville (Georgia) | 369.34 mi (594.40 km) |
| Fort Thomas to Dover (Delaware) | 478.61 mi (770.25 km) |
