| Preakness to Brown Deer (Wisconsin) | 721.25 mi (1,160.75 km) |
| Preakness to Brownsburg (Indiana) | 643.90 mi (1,036.25 km) |
| Preakness to Brownsville (Florida) | 1,099.90 mi (1,770.11 km) |
| Preakness to Brownsville (Texas) | 1,681.60 mi (2,706.27 km) |
| Preakness to Brownwood (Texas) | 1,511.16 mi (2,431.97 km) |
| Preakness to Brunswick (Georgia) | 787.92 mi (1,268.04 km) |
| Preakness to Brunswick (Ohio) | 395.97 mi (637.25 km) |
| Preakness to Brushy Creek (Texas) | 1,495.94 mi (2,407.48 km) |
| Preakness to Bryan (Texas) | 1,424.14 mi (2,291.93 km) |
| Preakness to Bryant (Arkansas) | 1,086.30 mi (1,748.24 km) |
| Preakness to Bryn Mawr-Skyway (Washington) | 2,381.30 mi (3,832.34 km) |
| Preakness to Buckeye (Arizona) | 2,158.99 mi (3,474.55 km) |
| Preakness to Buckhall (Virginia) | 229.44 mi (369.25 km) |
| Preakness to Bucyrus (Ohio) | 456.94 mi (735.37 km) |
| Preakness to Buda (Texas) | 1,518.87 mi (2,444.38 km) |
