There are
1,592 mi
from Oceanside, CA to Yankton, SD
That's the driving distance. It would take 1 day 4 hours to go from Oceanside, California to Yankton, South Dakota.
The flight distance (direct flight from Oceanside, CA to Yankton, SD) is 1,271.54 mi.
1,592 mi = 1.61 kms