There are
752 mi
from Bethlehem, PA to Deerfield, IL
That's the driving distance. It would take 14 hours 8 mins to go from Bethlehem, Pennsylvania to Deerfield, Illinois.
The flight distance (direct flight from Bethlehem, PA to Deerfield, IL) is 654.65 mi.
752 mi = 1,209.71 kms