| Gateway to Badger (Alaska) | 3,856.32 mi (6,206.15 km) |
| Gateway to Bailey's Crossroads (Virginia) | 888.74 mi (1,430.29 km) |
| Gateway to Bainbridge (Georgia) | 344.49 mi (554.40 km) |
| Gateway to Bainbridge Island (Washington) | 2,633.54 mi (4,238.28 km) |
| Gateway to Baker (Louisiana) | 634.30 mi (1,020.80 km) |
| Gateway to Bakersfield (California) | 2,276.35 mi (3,663.44 km) |
| Gateway to Balch Springs (Texas) | 987.26 mi (1,588.85 km) |
| Gateway to Baldwin (New York) | 1,077.88 mi (1,734.68 km) |
| Gateway to Baldwin (Pennsylvania) | 958.21 mi (1,542.09 km) |
| Gateway to Baldwin Park (California) | 2,209.54 mi (3,555.91 km) |
| Gateway to Ballenger Creek (Maryland) | 918.98 mi (1,478.96 km) |
| Gateway to Ballwin (Missouri) | 974.53 mi (1,568.36 km) |
| Gateway to Baltimore (Maryland) | 927.77 mi (1,493.10 km) |
| Gateway to Bangor (Maine) | 1,451.38 mi (2,335.78 km) |
| Gateway to Banning (California) | 2,147.59 mi (3,456.21 km) |
