| Rapid City to Brown Deer (Wisconsin) | 763.94 mi (1,229.44 km) |
| Rapid City to Brownsburg (Indiana) | 911.42 mi (1,466.79 km) |
| Rapid City to Brownsville (Florida) | 1,800.15 mi (2,897.07 km) |
| Rapid City to Brownsville (Texas) | 1,289.79 mi (2,075.71 km) |
| Rapid City to Brownwood (Texas) | 884.38 mi (1,423.27 km) |
| Rapid City to Brunswick (Georgia) | 1,480.31 mi (2,382.33 km) |
| Rapid City to Brunswick (Ohio) | 1,101.51 mi (1,772.71 km) |
| Rapid City to Brushy Creek (Texas) | 983.48 mi (1,582.76 km) |
| Rapid City to Bryan (Texas) | 998.63 mi (1,607.14 km) |
| Rapid City to Bryant (Arkansas) | 867.71 mi (1,396.45 km) |
| Rapid City to Bryn Mawr-Skyway (Washington) | 943.86 mi (1,519.00 km) |
| Rapid City to Buckeye (Arizona) | 892.10 mi (1,435.70 km) |
| Rapid City to Buckhall (Virginia) | 1,379.59 mi (2,220.24 km) |
| Rapid City to Bucyrus (Ohio) | 1,053.98 mi (1,696.22 km) |
| Rapid City to Buda (Texas) | 1,010.74 mi (1,626.63 km) |
