There are
1,686 mi
from Yankton, SD to Millbrae, CA
That's the driving distance. It would take 1 day 5 hours to go from Yankton, South Dakota to Millbrae, California.
The flight distance (direct flight from Yankton, SD to Millbrae, CA) is 1,361.87 mi.
1,686 mi = 2,714.09 kms