Miles between Allentown, PA and Grayslake, IL

There are
762 mi
from Allentown, PA to Grayslake, IL

That's the driving distance. It would take 14 hours 21 mins to go from Allentown, Pennsylvania to Grayslake, Illinois.

The flight distance (direct flight from Allentown, PA to Grayslake, IL) is 660.09 mi.

762 mi = 1,226.25 kms