There are
937 mi
from Sioux Falls, SD to Gallatin, TN
That's the driving distance. It would take 17 hours 9 mins to go from Sioux Falls, South Dakota to Gallatin, Tennessee.
The flight distance (direct flight from Sioux Falls, SD to Gallatin, TN) is 733.57 mi.
937 mi = 1,507.29 kms