There are
1,563 mi
from Fountain Valley, CA to Yankton, SD
That's the driving distance. It would take 1 day 3 hours to go from Fountain Valley, California to Yankton, South Dakota.
The flight distance (direct flight from Fountain Valley, CA to Yankton, SD) is 1,277 mi.
1,563 mi = 2,515.99 kms