There are
2,683 mi
from Bethlehem, PA to Brea, CA
That's the driving distance. It would take 2 days to go from Bethlehem, Pennsylvania to Brea, California.
The flight distance (direct flight from Bethlehem, PA to Brea, CA) is 2,360.32 mi.
2,683 mi = 4,317.07 kms