There are
1,006 mi
from Irvine, CA to Milwaukie, OR
That's the driving distance. It would take 18 hours 58 mins to go from Irvine, California to Milwaukie, Oregon.
The flight distance (direct flight from Irvine, CA to Milwaukie, OR) is 852.24 mi.
1,006 mi = 1.61 kms