There are
188 mi
from Yakima, WA to Milwaukie, OR
That's the driving distance. It would take 3 hours 47 mins to go from Yakima, Washington to Milwaukie, Oregon.
The flight distance (direct flight from Yakima, WA to Milwaukie, OR) is 129.80 mi.
188 mi = 302.88 kms