Miles between Boulder, CO and Arlington, WA

There are
1,334 mi
from Boulder, CO to Arlington, WA

That's the driving distance. It would take 23 hours 23 mins to go from Boulder, Colorado to Arlington, Washington.

The flight distance (direct flight from Boulder, CO to Arlington, WA) is 1,005.93 mi.

1,334 mi = 1.61 kms