There are
2,056 mi
from Decatur, IL to Washougal, WA
That's the driving distance. It would take 1 day 11 hours to go from Decatur, Illinois to Washougal, Washington.
The flight distance (direct flight from Decatur, IL to Washougal, WA) is 1,727.97 mi.
2,056 mi = 3.22 kms