| Helena to Blue Island (Illinois) | 1,248.75 mi (2,009.67 km) |
| Helena to Blue Springs (Missouri) | 1,037.69 mi (1,670.00 km) |
| Helena to Bluffdale (Utah) | 423.02 mi (680.78 km) |
| Helena to Bluffton (Indiana) | 1,393.65 mi (2,242.86 km) |
| Helena to Bluffton (South Carolina) | 1,915.91 mi (3,083.35 km) |
| Helena to Blythe (California) | 906.78 mi (1,459.32 km) |
| Helena to Blytheville (Arkansas) | 1,357.32 mi (2,184.40 km) |
| Helena to Boca Raton (Florida) | 2,231.27 mi (3,590.88 km) |
| Helena to Boerne (Texas) | 1,363.30 mi (2,194.02 km) |
| Helena to Bogalusa (Louisiana) | 1,608.82 mi (2,589.14 km) |
| Helena to Boiling Springs (South Carolina) | 1,747.26 mi (2,811.94 km) |
| Helena to Boise (Idaho) | 291.51 mi (469.13 km) |
| Helena to Bolingbrook (Illinois) | 1,228.01 mi (1,976.29 km) |
| Helena to Bolivar (Missouri) | 1,133.71 mi (1,824.53 km) |
| Helena to Bon Air (Virginia) | 1,857.73 mi (2,989.72 km) |
