| Rapid City to Blue Island (Illinois) | 803.13 mi (1,292.52 km) |
| Rapid City to Blue Springs (Missouri) | 579.37 mi (932.41 km) |
| Rapid City to Bluffdale (Utah) | 509.92 mi (820.64 km) |
| Rapid City to Bluffton (Indiana) | 946.89 mi (1,523.87 km) |
| Rapid City to Bluffton (South Carolina) | 1,454.70 mi (2,341.11 km) |
| Rapid City to Blythe (California) | 945.51 mi (1,521.65 km) |
| Rapid City to Blytheville (Arkansas) | 899.67 mi (1,447.88 km) |
| Rapid City to Boca Raton (Florida) | 1,776.25 mi (2,858.60 km) |
| Rapid City to Boerne (Texas) | 1,017.39 mi (1,637.33 km) |
| Rapid City to Bogalusa (Louisiana) | 1,171.67 mi (1,885.62 km) |
| Rapid City to Boiling Springs (South Carolina) | 1,286.61 mi (2,070.60 km) |
| Rapid City to Boise (Idaho) | 648.56 mi (1,043.76 km) |
| Rapid City to Bolingbrook (Illinois) | 781.72 mi (1,258.05 km) |
| Rapid City to Bolivar (Missouri) | 678.95 mi (1,092.67 km) |
| Rapid City to Bon Air (Virginia) | 1,409.14 mi (2,267.79 km) |
