There are
880 mi
from Sioux Falls, SD to Erlanger, KY
That's the driving distance. It would take 15 hours 52 mins to go from Sioux Falls, South Dakota to Erlanger, Kentucky.
The flight distance (direct flight from Sioux Falls, SD to Erlanger, KY) is 701.03 mi.
880 mi = 1,415.70 kms