Miles between Huntsville, AL and Duncan, OK

There are
755 mi
from Huntsville, AL to Duncan, OK

That's the driving distance. It would take 13 hours 46 mins to go from Huntsville, Alabama to Duncan, Oklahoma.

The flight distance (direct flight from Huntsville, AL to Duncan, OK) is 646.47 mi.

755 mi = 1,214.44 kms