There are
2,682 mi
from Allentown, PA to Montebello, CA
That's the driving distance. It would take 2 days to go from Allentown, Pennsylvania to Montebello, California.
The flight distance (direct flight from Allentown, PA to Montebello, CA) is 2,362.52 mi.
2,682 mi = 4,316.44 kms