There are
638 mi
from Allentown, PA to Frankfort, KY
That's the driving distance. It would take 11 hours 55 mins to go from Allentown, Pennsylvania to Frankfort, Kentucky.
The flight distance (direct flight from Allentown, PA to Frankfort, KY) is 527.51 mi.
638 mi = 1,026.07 kms