| Owings Mills to Brown Deer (Wisconsin) | 635.45 mi (1,022.66 km) |
| Owings Mills to Brownsburg (Indiana) | 511.06 mi (822.47 km) |
| Owings Mills to Brownsville (Florida) | 959.98 mi (1,544.94 km) |
| Owings Mills to Brownsville (Texas) | 1,511.06 mi (2,431.82 km) |
| Owings Mills to Brownwood (Texas) | 1,351.04 mi (2,174.28 km) |
| Owings Mills to Brunswick (Georgia) | 629.04 mi (1,012.35 km) |
| Owings Mills to Brunswick (Ohio) | 293.58 mi (472.47 km) |
| Owings Mills to Brushy Creek (Texas) | 1,331.44 mi (2,142.75 km) |
| Owings Mills to Bryan (Texas) | 1,258.34 mi (2,025.11 km) |
| Owings Mills to Bryant (Arkansas) | 925.85 mi (1,490.02 km) |
| Owings Mills to Bryn Mawr-Skyway (Washington) | 2,311.93 mi (3,720.70 km) |
| Owings Mills to Buckeye (Arizona) | 2,021.78 mi (3,253.74 km) |
| Owings Mills to Buckhall (Virginia) | 59.13 mi (95.16 km) |
| Owings Mills to Bucyrus (Ohio) | 340.43 mi (547.86 km) |
| Owings Mills to Buda (Texas) | 1,353.64 mi (2,178.47 km) |
