| Portage to Badger (Alaska) | 2,819.85 mi (4,538.11 km) |
| Portage to Bailey's Crossroads (Virginia) | 500.74 mi (805.87 km) |
| Portage to Bainbridge (Georgia) | 782.42 mi (1,259.18 km) |
| Portage to Bainbridge Island (Washington) | 1,828.31 mi (2,942.38 km) |
| Portage to Baker (Louisiana) | 859.79 mi (1,383.69 km) |
| Portage to Bakersfield (California) | 1,849.65 mi (2,976.72 km) |
| Portage to Balch Springs (Texas) | 889.91 mi (1,432.18 km) |
| Portage to Baldwin (New York) | 629.42 mi (1,012.95 km) |
| Portage to Baldwin (Pennsylvania) | 318.13 mi (511.97 km) |
| Portage to Baldwin Park (California) | 1,834.17 mi (2,951.81 km) |
| Portage to Ballenger Creek (Maryland) | 469.41 mi (755.44 km) |
| Portage to Ballwin (Missouri) | 360.63 mi (580.37 km) |
| Portage to Baltimore (Maryland) | 510.29 mi (821.23 km) |
| Portage to Bangor (Maine) | 859.52 mi (1,383.26 km) |
| Portage to Banning (California) | 1,784.12 mi (2,871.27 km) |
