There are
2,680 mi
from Fontana, CA to Bethlehem, PA
That's the driving distance. It would take 1 day 23 hours to go from Fontana, California to Bethlehem, Pennsylvania.
The flight distance (direct flight from Fontana, CA to Bethlehem, PA) is 2,331.05 mi.
2,680 mi = 3.22 kms