There are
2,878 mi
from Bethlehem, PA to San Luis Obispo, CA
That's the driving distance. It would take 2 days 3 hours to go from Bethlehem, Pennsylvania to San Luis Obispo, California.
The flight distance (direct flight from Bethlehem, PA to San Luis Obispo, CA) is 2,467.40 mi.
2,878 mi = 3.22 kms