| Helena to Baraboo (Wisconsin) | 1,105.34 mi (1,778.88 km) |
| Helena to Barberton (Ohio) | 1,554.53 mi (2,501.78 km) |
| Helena to Bardstown (Kentucky) | 1,479.45 mi (2,380.94 km) |
| Helena to Barrington (Illinois) | 1,214.09 mi (1,953.89 km) |
| Helena to Barstow (California) | 851.69 mi (1,370.66 km) |
| Helena to Bartlesville (Oklahoma) | 1,069.93 mi (1,721.88 km) |
| Helena to Bartlett (Illinois) | 1,214.99 mi (1,955.34 km) |
| Helena to Bartlett (Tennessee) | 1,392.26 mi (2,240.63 km) |
| Helena to Bartow (Florida) | 2,083.02 mi (3,352.30 km) |
| Helena to Batavia (Illinois) | 1,213.75 mi (1,953.35 km) |
| Helena to Batavia (New York) | 1,664.55 mi (2,678.84 km) |
| Helena to Batesville (Arkansas) | 1,291.71 mi (2,078.80 km) |
| Helena to Baton Rouge (Louisiana) | 1,578.24 mi (2,539.94 km) |
| Helena to Battle Creek (Michigan) | 1,347.41 mi (2,168.45 km) |
| Helena to Battle Ground (Washington) | 506.06 mi (814.43 km) |
