There are
1,296 mi
from Allentown, PA to Yankton, SD
That's the driving distance. It would take 23 hours 50 mins to go from Allentown, Pennsylvania to Yankton, South Dakota.
The flight distance (direct flight from Allentown, PA to Yankton, SD) is 1,136.92 mi.
1,296 mi = 1.61 kms