There are
1,896 mi
from Oklahoma City, OK to Washougal, WA
That's the driving distance. It would take 1 day 8 hours to go from Oklahoma City, Oklahoma to Washougal, Washington.
The flight distance (direct flight from Oklahoma City, OK to Washougal, WA) is 1,471.20 mi.
1,896 mi = 1.61 kms