There are
2,293 mi
from Clarksville, TN to Washougal, WA
That's the driving distance. It would take 1 day 16 hours to go from Clarksville, Tennessee to Washougal, Washington.
The flight distance (direct flight from Clarksville, TN to Washougal, WA) is 1,909.79 mi.
2,293 mi = 3.22 kms