There are
1,082 mi
from Sioux Falls, SD to Sulphur, LA
That's the driving distance. It would take 20 hours 35 mins to go from Sioux Falls, South Dakota to Sulphur, Louisiana.
The flight distance (direct flight from Sioux Falls, SD to Sulphur, LA) is 937.79 mi.
1,082 mi = 1.61 kms