There are
647 mi
from Sioux Falls, SD to Choctaw, OK
That's the driving distance. It would take 11 hours 33 mins to go from Sioux Falls, South Dakota to Choctaw, Oklahoma.
The flight distance (direct flight from Sioux Falls, SD to Choctaw, OK) is 557.19 mi.
647 mi = 1,040.49 kms