There are
1,537 mi
from Yankton, SD to Covina, CA
That's the driving distance. It would take 1 day 3 hours to go from Yankton, South Dakota to Covina, California.
The flight distance (direct flight from Yankton, SD to Covina, CA) is 1,258.80 mi.
1,537 mi = 2,472.96 kms