There are
649 mi
from Antioch, CA to Washougal, WA
That's the driving distance. It would take 12 hours 31 mins to go from Antioch, California to Washougal, Washington.
The flight distance (direct flight from Antioch, CA to Washougal, WA) is 524.32 mi.
649 mi = 1,044.53 kms