There are
1,540 mi
from Yankton, SD to Perris, CA
That's the driving distance. It would take 1 day 3 hours to go from Yankton, South Dakota to Perris, California.
The flight distance (direct flight from Yankton, SD to Perris, CA) is 1,240.31 mi.
1,540 mi = 2,478.82 kms