Miles between Boulder, CO and Washougal, WA

There are
1,218 mi
from Boulder, CO to Washougal, WA

That's the driving distance. It would take 21 hours 7 mins to go from Boulder, Colorado to Washougal, Washington.

The flight distance (direct flight from Boulder, CO to Washougal, WA) is 945.13 mi.

1,218 mi = 1.61 kms