There are
2,673 mi
from Allentown, PA to Arcadia, CA
That's the driving distance. It would take 1 day 23 hours to go from Allentown, Pennsylvania to Arcadia, California.
The flight distance (direct flight from Allentown, PA to Arcadia, CA) is 2,354.95 mi.
2,673 mi = 4,301.04 kms