Miles between Boulder, CO and Oak Harbor, WA

There are
1,355 mi
from Boulder, CO to Oak Harbor, WA

That's the driving distance. It would take 1 day to go from Boulder, Colorado to Oak Harbor, Washington.

The flight distance (direct flight from Boulder, CO to Oak Harbor, WA) is 1,030.07 mi.

1,355 mi = 2,180.33 kms