Miles between Billings, MT and Duncan, OK

There are
1,209 mi
from Billings, MT to Duncan, OK

That's the driving distance. It would take 21 hours 28 mins to go from Billings, Montana to Duncan, Oklahoma.

The flight distance (direct flight from Billings, MT to Duncan, OK) is 956.10 mi.

1,209 mi = 1.61 kms