| Preakness to Duluth (Minnesota) | 976.52 mi (1,571.56 km) |
| Preakness to Dumas (Texas) | 1,535.51 mi (2,471.17 km) |
| Preakness to Dumont (New Jersey) | 12.11 mi (19.49 km) |
| Preakness to Duncan (Oklahoma) | 1,363.08 mi (2,193.66 km) |
| Preakness to Duncanville (Texas) | 1,374.55 mi (2,212.13 km) |
| Preakness to Dundalk (Maryland) | 166.33 mi (267.69 km) |
| Preakness to Dunedin (Florida) | 1,015.02 mi (1,633.52 km) |
| Preakness to Dunkirk (New York) | 284.14 mi (457.29 km) |
| Preakness to Dunmore (Pennsylvania) | 79.11 mi (127.32 km) |
| Preakness to Dunwoody (Georgia) | 733.90 mi (1,181.10 km) |
| Preakness to Durango (Colorado) | 1,810.88 mi (2,914.32 km) |
| Preakness to Durant (Oklahoma) | 1,302.38 mi (2,095.97 km) |
| Preakness to Durham (North Carolina) | 425.83 mi (685.30 km) |
| Preakness to Dyer (Indiana) | 690.85 mi (1,111.81 km) |
| Preakness to Dyersburg (Tennessee) | 884.92 mi (1,424.14 km) |
