| Helena to Bonham (Texas) | 1,223.39 mi (1,968.85 km) |
| Helena to Bonita (California) | 998.25 mi (1,606.53 km) |
| Helena to Bonita Springs (Florida) | 2,162.35 mi (3,479.96 km) |
| Helena to Bonney Lake (Washington) | 480.62 mi (773.49 km) |
| Helena to Boone (Iowa) | 947.56 mi (1,524.95 km) |
| Helena to Boone (North Carolina) | 1,714.98 mi (2,759.99 km) |
| Helena to Borger (Texas) | 934.35 mi (1,503.68 km) |
| Helena to Bossier City (Louisiana) | 1,372.37 mi (2,208.61 km) |
| Helena to Boston (Massachusetts) | 2,017.16 mi (3,246.31 km) |
| Helena to Bostonia (California) | 986.79 mi (1,588.09 km) |
| Helena to Bothell (Washington) | 484.72 mi (780.09 km) |
| Helena to Bothell East (Washington) | 484.04 mi (778.99 km) |
| Helena to Bothell West (Washington) | 486.60 mi (783.11 km) |
| Helena to Boulder (Colorado) | 566.93 mi (912.39 km) |
| Helena to Boulder City (Nevada) | 758.19 mi (1,220.19 km) |
