| Helena to Brown Deer (Wisconsin) | 1,195.69 mi (1,924.27 km) |
| Helena to Brownsburg (Indiana) | 1,365.53 mi (2,197.61 km) |
| Helena to Brownsville (Florida) | 2,253.87 mi (3,627.25 km) |
| Helena to Brownsville (Texas) | 1,631.96 mi (2,626.39 km) |
| Helena to Brownwood (Texas) | 1,239.70 mi (1,995.10 km) |
| Helena to Brunswick (Georgia) | 1,940.54 mi (3,123.00 km) |
| Helena to Brunswick (Ohio) | 1,537.53 mi (2,474.42 km) |
| Helena to Brushy Creek (Texas) | 1,348.25 mi (2,169.80 km) |
| Helena to Bryan (Texas) | 1,381.69 mi (2,223.61 km) |
| Helena to Bryant (Arkansas) | 1,310.76 mi (2,109.46 km) |
| Helena to Bryn Mawr-Skyway (Washington) | 484.83 mi (780.26 km) |
| Helena to Buckeye (Arizona) | 910.21 mi (1,464.84 km) |
| Helena to Buckhall (Virginia) | 1,822.32 mi (2,932.74 km) |
| Helena to Bucyrus (Ohio) | 1,495.69 mi (2,407.08 km) |
| Helena to Buda (Texas) | 1,371.08 mi (2,206.54 km) |
