There are
2,834 mi
from Bethlehem, PA to Petaluma, CA
That's the driving distance. It would take 2 days 1 hour to go from Bethlehem, Pennsylvania to Petaluma, California.
The flight distance (direct flight from Bethlehem, PA to Petaluma, CA) is 2,497.50 mi.
2,834 mi = 3.22 kms