Miles between Allentown, PA and Duncan, OK

There are
1,439 mi
from Allentown, PA to Duncan, OK

That's the driving distance. It would take 1 day 2 hours to go from Allentown, Pennsylvania to Duncan, Oklahoma.

The flight distance (direct flight from Allentown, PA to Duncan, OK) is 1,296.63 mi.

1,439 mi = 1.61 kms