| Rapid City to Bonham (Texas) | 816.47 mi (1,313.98 km) |
| Rapid City to Bonita (California) | 1,083.67 mi (1,744.00 km) |
| Rapid City to Bonita Springs (Florida) | 1,710.94 mi (2,753.48 km) |
| Rapid City to Bonney Lake (Washington) | 937.95 mi (1,509.48 km) |
| Rapid City to Boone (Iowa) | 491.53 mi (791.04 km) |
| Rapid City to Boone (North Carolina) | 1,256.27 mi (2,021.77 km) |
| Rapid City to Borger (Texas) | 589.11 mi (948.08 km) |
| Rapid City to Bossier City (Louisiana) | 949.88 mi (1,528.69 km) |
| Rapid City to Boston (Massachusetts) | 1,612.91 mi (2,595.73 km) |
| Rapid City to Bostonia (California) | 1,072.45 mi (1,725.95 km) |
| Rapid City to Bothell (Washington) | 944.88 mi (1,520.64 km) |
| Rapid City to Bothell East (Washington) | 944.31 mi (1,519.72 km) |
| Rapid City to Bothell West (Washington) | 946.86 mi (1,523.82 km) |
| Rapid City to Boulder (Colorado) | 298.38 mi (480.20 km) |
| Rapid City to Boulder City (Nevada) | 839.73 mi (1,351.41 km) |
