There are
942 mi
from Sioux Falls, SD to Smyrna, TN
That's the driving distance. It would take 17 hours 18 mins to go from Sioux Falls, South Dakota to Smyrna, Tennessee.
The flight distance (direct flight from Sioux Falls, SD to Smyrna, TN) is 751.09 mi.
942 mi = 1,515.42 kms