There are
2,700 mi
from Mission Viejo, CA to Bethlehem, PA
That's the driving distance. It would take 2 days to go from Mission Viejo, California to Bethlehem, Pennsylvania.
The flight distance (direct flight from Mission Viejo, CA to Bethlehem, PA) is 2,357.33 mi.
2,700 mi = 4,344.62 kms