There are
778 mi
from Sioux Falls, SD to Wichita Falls, TX
That's the driving distance. It would take 13 hours 45 mins to go from Sioux Falls, South Dakota to Wichita Falls, Texas.
The flight distance (direct flight from Sioux Falls, SD to Wichita Falls, TX) is 672.73 mi.
778 mi = 1,251.92 kms