There are
2,810 mi
from Bethlehem, PA to Lathrop, CA
That's the driving distance. It would take 2 days 1 hour to go from Bethlehem, Pennsylvania to Lathrop, California.
The flight distance (direct flight from Bethlehem, PA to Lathrop, CA) is 2,436.88 mi.
2,810 mi = 4,522.00 kms