| Middle River to Badger (Alaska) | 3,252.57 mi (5,234.50 km) |
| Middle River to Bailey's Crossroads (Virginia) | 51.03 mi (82.12 km) |
| Middle River to Bainbridge (Georgia) | 742.21 mi (1,194.47 km) |
| Middle River to Bainbridge Island (Washington) | 2,344.79 mi (3,773.57 km) |
| Middle River to Baker (Louisiana) | 1,028.44 mi (1,655.11 km) |
| Middle River to Bakersfield (California) | 2,334.97 mi (3,757.77 km) |
| Middle River to Balch Springs (Texas) | 1,214.02 mi (1,953.78 km) |
| Middle River to Baldwin (New York) | 174.36 mi (280.61 km) |
| Middle River to Baldwin (Pennsylvania) | 200.74 mi (323.07 km) |
| Middle River to Baldwin Park (California) | 2,309.19 mi (3,716.29 km) |
| Middle River to Ballenger Creek (Maryland) | 53.23 mi (85.67 km) |
| Middle River to Ballwin (Missouri) | 759.75 mi (1,222.69 km) |
| Middle River to Baltimore (Maryland) | 10.45 mi (16.82 km) |
| Middle River to Bangor (Maine) | 544.57 mi (876.41 km) |
| Middle River to Banning (California) | 2,255.44 mi (3,629.78 km) |
