There are
1,634 mi
from Stockton, CA to Yankton, SD
That's the driving distance. It would take 1 day 4 hours to go from Stockton, California to Yankton, South Dakota.
The flight distance (direct flight from Stockton, CA to Yankton, SD) is 1,297.07 mi.
1,634 mi = 1.61 kms