There are
2,785 mi
from Washington, DC to Washougal, WA
That's the driving distance. It would take 2 days 1 hour to go from Washington, District of Columbia to Washougal, Washington.
The flight distance (direct flight from Washington, DC to Washougal, WA) is 2,331.55 mi.
2,785 mi = 3.22 kms