There are
2,447 mi
from Parma, OH to Milwaukie, OR
That's the driving distance. It would take 1 day 18 hours to go from Parma, Ohio to Milwaukie, Oregon.
The flight distance (direct flight from Parma, OH to Milwaukie, OR) is 2,049.60 mi.
2,447 mi = 3.22 kms