There are
2,467 mi
from Chattanooga, TN to Washougal, WA
That's the driving distance. It would take 1 day 19 hours to go from Chattanooga, Tennessee to Washougal, Washington.
The flight distance (direct flight from Chattanooga, TN to Washougal, WA) is 2,061.12 mi.
2,467 mi = 3.22 kms