| Middle River to Bound Brook (New Jersey) | 130.92 mi (210.69 km) |
| Middle River to Bountiful (Utah) | 1,862.96 mi (2,998.15 km) |
| Middle River to Bourbonnais (Illinois) | 616.59 mi (992.30 km) |
| Middle River to Bowie (Maryland) | 31.73 mi (51.06 km) |
| Middle River to Bowling Green (Kentucky) | 567.76 mi (913.73 km) |
| Middle River to Bowling Green (Ohio) | 405.31 mi (652.29 km) |
| Middle River to Box Elder (South Dakota) | 1,406.78 mi (2,263.99 km) |
| Middle River to Boynton Beach (Florida) | 910.25 mi (1,464.91 km) |
| Middle River to Bozeman (Montana) | 1,802.10 mi (2,900.21 km) |
| Middle River to Bradenton (Florida) | 891.91 mi (1,435.38 km) |
| Middle River to Bradfordville (Florida) | 748.50 mi (1,204.59 km) |
| Middle River to Bradley (Illinois) | 614.70 mi (989.26 km) |
| Middle River to Bradley Gardens (New Jersey) | 125.92 mi (202.65 km) |
| Middle River to Brainerd (Minnesota) | 1,019.11 mi (1,640.11 km) |
| Middle River to Brambleton (Virginia) | 64.40 mi (103.64 km) |
