There are
72 mi
from Bethlehem, PA to Perth Amboy, NJ
That's the driving distance. It would take 1 hour 30 mins to go from Bethlehem, Pennsylvania to Perth Amboy, New Jersey.
The flight distance (direct flight from Bethlehem, PA to Perth Amboy, NJ) is 58.58 mi.
72 mi = 115.39 kms