There are
992 mi
from Oxnard, CA to Washougal, WA
That's the driving distance. It would take 18 hours 53 mins to go from Oxnard, California to Washougal, Washington.
The flight distance (direct flight from Oxnard, CA to Washougal, WA) is 804.27 mi.
992 mi = 1,596.01 kms