There are
2,814 mi
from Oakley, CA to Bethlehem, PA
That's the driving distance. It would take 2 days 1 hour to go from Oakley, California to Bethlehem, Pennsylvania.
The flight distance (direct flight from Oakley, CA to Bethlehem, PA) is 2,455.30 mi.
2,814 mi = 4,528.15 kms