There are
1,052 mi
from Chattanooga, TN to Sioux Falls, SD
That's the driving distance. It would take 19 hours 20 mins to go from Chattanooga, Tennessee to Sioux Falls, South Dakota.
The flight distance (direct flight from Chattanooga, TN to Sioux Falls, SD) is 844.78 mi.
1,052 mi = 1.61 kms