There are
998 mi
from Sioux Falls, SD to Cookeville, TN
That's the driving distance. It would take 18 hours 16 mins to go from Sioux Falls, South Dakota to Cookeville, Tennessee.
The flight distance (direct flight from Sioux Falls, SD to Cookeville, TN) is 781.89 mi.
998 mi = 1,606.75 kms