Miles between Allentown, PA and Portsmouth, OH

There are
537 mi
from Allentown, PA to Portsmouth, OH

That's the driving distance. It would take 10 hours 6 mins to go from Allentown, Pennsylvania to Portsmouth, Ohio.

The flight distance (direct flight from Allentown, PA to Portsmouth, OH) is 419.64 mi.

537 mi = 863.99 kms