There are
1,572 mi
from Rapid City, SD to Roanoke, VA
That's the driving distance. It would take 1 day 4 hours to go from Rapid City, South Dakota to Roanoke, Virginia.
The flight distance (direct flight from Rapid City, SD to Roanoke, VA) is 1,302.43 mi.
1,572 mi = 2,530.32 kms