There are
1,647 mi
from Antioch, CA to Yankton, SD
That's the driving distance. It would take 1 day 4 hours to go from Antioch, California to Yankton, South Dakota.
The flight distance (direct flight from Antioch, CA to Yankton, SD) is 1,321.72 mi.
1,647 mi = 2,650.49 kms