There are
776 mi
from Allentown, PA to Alpharetta, GA
That's the driving distance. It would take 15 hours 2 mins to go from Allentown, Pennsylvania to Alpharetta, Georgia.
The flight distance (direct flight from Allentown, PA to Alpharetta, GA) is 660.88 mi.
776 mi = 1,248.86 kms