Miles between Green Bay, WI and Duncan, OK

There are
1,044 mi
from Green Bay, WI to Duncan, OK

That's the driving distance. It would take 19 hours 23 mins to go from Green Bay, Wisconsin to Duncan, Oklahoma.

The flight distance (direct flight from Green Bay, WI to Duncan, OK) is 870.16 mi.

1,044 mi = 1.61 kms