There are
2,681 mi
from Allentown, PA to Monterey Park, CA
That's the driving distance. It would take 1 day 23 hours to go from Allentown, Pennsylvania to Monterey Park, California.
The flight distance (direct flight from Allentown, PA to Monterey Park, CA) is 2,361.71 mi.
2,681 mi = 4,314.29 kms