Miles between Longmont, CO and Washougal, WA

There are
1,203 mi
from Longmont, CO to Washougal, WA

That's the driving distance. It would take 20 hours 47 mins to go from Longmont, Colorado to Washougal, Washington.

The flight distance (direct flight from Longmont, CO to Washougal, WA) is 947.78 mi.

1,203 mi = 1.61 kms