There are
904 mi
from Sioux Falls, SD to Stephenville, TX
That's the driving distance. It would take 16 hours 8 mins to go from Sioux Falls, South Dakota to Stephenville, Texas.
The flight distance (direct flight from Sioux Falls, SD to Stephenville, TX) is 787.01 mi.
904 mi = 1,455.57 kms