There are
956 mi
from Palmdale, CA to Milwaukie, OR
That's the driving distance. It would take 18 hours 7 mins to go from Palmdale, California to Milwaukie, Oregon.
The flight distance (direct flight from Palmdale, CA to Milwaukie, OR) is 787.70 mi.
956 mi = 1,538.56 kms