| Boise to Bonita (California) | 756.80 mi (1,217.95 km) |
| Boise to Bonita Springs (Florida) | 2,261.06 mi (3,638.82 km) |
| Boise to Bonney Lake (Washington) | 379.53 mi (610.79 km) |
| Boise to Boone (Iowa) | 1,134.34 mi (1,825.54 km) |
| Boise to Boone (North Carolina) | 1,886.70 mi (3,036.36 km) |
| Boise to Borger (Texas) | 958.80 mi (1,543.04 km) |
| Boise to Bossier City (Louisiana) | 1,439.37 mi (2,316.44 km) |
| Boise to Boston (Massachusetts) | 2,256.09 mi (3,630.83 km) |
| Boise to Bostonia (California) | 745.94 mi (1,200.48 km) |
| Boise to Bothell (Washington) | 407.52 mi (655.84 km) |
| Boise to Bothell East (Washington) | 408.39 mi (657.25 km) |
| Boise to Bothell West (Washington) | 410.25 mi (660.23 km) |
| Boise to Boulder (Colorado) | 616.34 mi (991.91 km) |
| Boise to Boulder City (Nevada) | 540.60 mi (870.01 km) |
| Boise to Bound Brook (New Jersey) | 2,125.66 mi (3,420.92 km) |
