There are
1,797 mi
from Santa Maria, CA to Sioux Falls, SD
That's the driving distance. It would take 1 day 7 hours to go from Santa Maria, California to Sioux Falls, South Dakota.
The flight distance (direct flight from Santa Maria, CA to Sioux Falls, SD) is 1,395.43 mi.
1,797 mi = 1.61 kms