| Preakness to Dover (New Hampshire) | 231.32 mi (372.27 km) |
| Preakness to Dover (New Jersey) | 17.89 mi (28.79 km) |
| Preakness to Dover (Ohio) | 380.84 mi (612.91 km) |
| Preakness to Downers Grove (Illinois) | 716.90 mi (1,153.73 km) |
| Preakness to Downey (California) | 2,430.64 mi (3,911.74 km) |
| Preakness to Dranesville (Virginia) | 213.88 mi (344.20 km) |
| Preakness to Draper (Utah) | 1,955.76 mi (3,147.50 km) |
| Preakness to Drexel Heights (Arizona) | 2,115.10 mi (3,403.92 km) |
| Preakness to Drexel Hill (Pennsylvania) | 88.82 mi (142.94 km) |
| Preakness to Duarte (California) | 2,414.84 mi (3,886.32 km) |
| Preakness to Dublin (California) | 2,526.04 mi (4,065.27 km) |
| Preakness to Dublin (Georgia) | 753.66 mi (1,212.90 km) |
| Preakness to Dublin (Ohio) | 471.80 mi (759.29 km) |
| Preakness to Dubuque (Iowa) | 855.50 mi (1,376.79 km) |
| Preakness to Duluth (Georgia) | 724.15 mi (1,165.40 km) |
