Miles between Thornton, CO and Washougal, WA

There are
1,217 mi
from Thornton, CO to Washougal, WA

That's the driving distance. It would take 21 hours 1 min to go from Thornton, Colorado to Washougal, Washington.

The flight distance (direct flight from Thornton, CO to Washougal, WA) is 963.92 mi.

1,217 mi = 1.61 kms