| Boise to Buenaventura Lakes (Florida) | 2,194.65 mi (3,531.95 km) |
| Boise to Buffalo (Minnesota) | 1,106.12 mi (1,780.12 km) |
| Boise to Buffalo (New York) | 1,865.84 mi (3,002.78 km) |
| Boise to Buffalo Grove (Illinois) | 1,427.69 mi (2,297.64 km) |
| Boise to Buford (Georgia) | 1,840.10 mi (2,961.35 km) |
| Boise to Bull Run (Virginia) | 2,021.38 mi (3,253.10 km) |
| Boise to Bullhead City (Arizona) | 592.75 mi (953.93 km) |
| Boise to Burbank (California) | 659.95 mi (1,062.08 km) |
| Boise to Burbank (Illinois) | 1,444.45 mi (2,324.62 km) |
| Boise to Burien (Washington) | 398.65 mi (641.57 km) |
| Boise to Burkburnett (Texas) | 1,152.36 mi (1,854.54 km) |
| Boise to Burke (Virginia) | 2,034.29 mi (3,273.87 km) |
| Boise to Burke Centre (Virginia) | 2,032.13 mi (3,270.39 km) |
| Boise to Burleson (Texas) | 1,276.80 mi (2,054.81 km) |
| Boise to Burley (Idaho) | 143.29 mi (230.61 km) |
