Miles between Greeley, CO and Duncan, OK

There are
708 mi
from Greeley, CO to Duncan, OK

That's the driving distance. It would take 13 hours 27 mins to go from Greeley, Colorado to Duncan, Oklahoma.

The flight distance (direct flight from Greeley, CO to Duncan, OK) is 551.41 mi.

708 mi = 1,140.22 kms