There are
1,231 mi
from Sioux Falls, SD to Roanoke, VA
That's the driving distance. It would take 23 hours 16 mins to go from Sioux Falls, South Dakota to Roanoke, Virginia.
The flight distance (direct flight from Sioux Falls, SD to Roanoke, VA) is 980.18 mi.
1,231 mi = 1.61 kms