There are
68 mi
from Bethlehem, PA to Sayreville, NJ
That's the driving distance. It would take 1 hour 31 mins to go from Bethlehem, Pennsylvania to Sayreville, New Jersey.
The flight distance (direct flight from Bethlehem, PA to Sayreville, NJ) is 54.25 mi.
68 mi = 109.50 kms