There are
2,833 mi
from Bethlehem, PA to San Ramon, CA
That's the driving distance. It would take 2 days 1 hour to go from Bethlehem, Pennsylvania to San Ramon, California.
The flight distance (direct flight from Bethlehem, PA to San Ramon, CA) is 2,473.96 mi.
2,833 mi = 4,559.32 kms