There are
1,659 mi
from Fullerton, CA to Sioux Falls, SD
That's the driving distance. It would take 1 day 4 hours to go from Fullerton, California to Sioux Falls, South Dakota.
The flight distance (direct flight from Fullerton, CA to Sioux Falls, SD) is 1,319.75 mi.
1,659 mi = 1.61 kms