There are
756 mi
from Allentown, PA to Mundelein, IL
That's the driving distance. It would take 14 hours 12 mins to go from Allentown, Pennsylvania to Mundelein, Illinois.
The flight distance (direct flight from Allentown, PA to Mundelein, IL) is 657.58 mi.
756 mi = 1,216.10 kms