There are
1,655 mi
from Concord, CA to Yankton, SD
That's the driving distance. It would take 1 day 4 hours to go from Concord, California to Yankton, South Dakota.
The flight distance (direct flight from Concord, CA to Yankton, SD) is 1,333.75 mi.
1,655 mi = 1.61 kms