| Fort Thomas to Duluth (Minnesota) | 658.06 mi (1,059.05 km) |
| Fort Thomas to Dumas (Texas) | 984.05 mi (1,583.67 km) |
| Fort Thomas to Dumont (New Jersey) | 567.92 mi (913.98 km) |
| Fort Thomas to Duncan (Oklahoma) | 807.38 mi (1,299.35 km) |
| Fort Thomas to Duncanville (Texas) | 826.13 mi (1,329.53 km) |
| Fort Thomas to Dundalk (Maryland) | 426.29 mi (686.05 km) |
| Fort Thomas to Dunedin (Florida) | 769.25 mi (1,237.98 km) |
| Fort Thomas to Dunkirk (New York) | 356.14 mi (573.15 km) |
| Fort Thomas to Dunmore (Pennsylvania) | 493.27 mi (793.84 km) |
| Fort Thomas to Dunwoody (Georgia) | 355.11 mi (571.49 km) |
| Fort Thomas to Durango (Colorado) | 1,275.07 mi (2,052.02 km) |
| Fort Thomas to Durant (Oklahoma) | 749.34 mi (1,205.95 km) |
| Fort Thomas to Durham (North Carolina) | 371.86 mi (598.45 km) |
| Fort Thomas to Dyer (Indiana) | 232.05 mi (373.46 km) |
| Fort Thomas to Dyersburg (Tennessee) | 341.55 mi (549.66 km) |
