There are
2,676 mi
from Allentown, PA to La Habra, CA
That's the driving distance. It would take 1 day 23 hours to go from Allentown, Pennsylvania to La Habra, California.
The flight distance (direct flight from Allentown, PA to La Habra, CA) is 2,356.08 mi.
2,676 mi = 4,306.45 kms