Miles between Great Falls, MT and Oak Harbor, WA

There are
702 mi
from Great Falls, MT to Oak Harbor, WA

That's the driving distance. It would take 13 hours 33 mins to go from Great Falls, Montana to Oak Harbor, Washington.

The flight distance (direct flight from Great Falls, MT to Oak Harbor, WA) is 527.78 mi.

702 mi = 1,129.11 kms