| Boise to Badger (Alaska) | 1,892.88 mi (3,046.29 km) |
| Boise to Bailey's Crossroads (Virginia) | 2,039.09 mi (3,281.60 km) |
| Boise to Bainbridge (Georgia) | 1,933.36 mi (3,111.44 km) |
| Boise to Bainbridge Island (Washington) | 413.39 mi (665.29 km) |
| Boise to Baker (Louisiana) | 1,638.55 mi (2,636.99 km) |
| Boise to Bakersfield (California) | 589.06 mi (948.00 km) |
| Boise to Balch Springs (Texas) | 1,298.79 mi (2,090.20 km) |
| Boise to Baldwin (New York) | 2,169.68 mi (3,491.76 km) |
| Boise to Baldwin (Pennsylvania) | 1,860.86 mi (2,994.77 km) |
| Boise to Baldwin Park (California) | 664.20 mi (1,068.93 km) |
| Boise to Ballenger Creek (Maryland) | 2,011.10 mi (3,236.55 km) |
| Boise to Ballwin (Missouri) | 1,375.06 mi (2,212.95 km) |
| Boise to Baltimore (Maryland) | 2,053.15 mi (3,304.23 km) |
| Boise to Bangor (Maine) | 2,316.96 mi (3,728.79 km) |
| Boise to Banning (California) | 668.03 mi (1,075.08 km) |
