Miles between Allentown, PA and Romeoville, IL

There are
735 mi
from Allentown, PA to Romeoville, IL

That's the driving distance. It would take 13 hours 46 mins to go from Allentown, Pennsylvania to Romeoville, Illinois.

The flight distance (direct flight from Allentown, PA to Romeoville, IL) is 659.04 mi.

735 mi = 1,183.38 kms