There are
1,680 mi
from Pleasanton, CA to Yankton, SD
That's the driving distance. It would take 1 day 5 hours to go from Pleasanton, California to Yankton, South Dakota.
The flight distance (direct flight from Pleasanton, CA to Yankton, SD) is 1,334.39 mi.
1,680 mi = 2,703.85 kms