| Middle River to Brown Deer (Wisconsin) | 654.94 mi (1,054.03 km) |
| Middle River to Brownsburg (Indiana) | 531.01 mi (854.58 km) |
| Middle River to Brownsville (Florida) | 960.07 mi (1,545.08 km) |
| Middle River to Brownsville (Texas) | 1,525.34 mi (2,454.80 km) |
| Middle River to Brownwood (Texas) | 1,368.54 mi (2,202.45 km) |
| Middle River to Brunswick (Georgia) | 633.81 mi (1,020.01 km) |
| Middle River to Brunswick (Ohio) | 313.14 mi (503.95 km) |
| Middle River to Brushy Creek (Texas) | 1,348.07 mi (2,169.51 km) |
| Middle River to Bryan (Texas) | 1,274.65 mi (2,051.35 km) |
| Middle River to Bryant (Arkansas) | 943.41 mi (1,518.27 km) |
| Middle River to Bryn Mawr-Skyway (Washington) | 2,331.28 mi (3,751.84 km) |
| Middle River to Buckeye (Arizona) | 2,041.31 mi (3,285.17 km) |
| Middle River to Buckhall (Virginia) | 69.60 mi (112.00 km) |
| Middle River to Bucyrus (Ohio) | 360.46 mi (580.10 km) |
| Middle River to Buda (Texas) | 1,370.08 mi (2,204.93 km) |
