There are
747 mi
from Schaumburg, IL to Allentown, PA
That's the driving distance. It would take 14 hours 5 mins to go from Schaumburg, Illinois to Allentown, Pennsylvania.
The flight distance (direct flight from Schaumburg, IL to Allentown, PA) is 660.22 mi.
747 mi = 1,202.64 kms