There are
2,399 mi
from Rochester Hills, MI to Milwaukie, OR
That's the driving distance. It would take 1 day 17 hours to go from Rochester Hills, Michigan to Milwaukie, Oregon.
The flight distance (direct flight from Rochester Hills, MI to Milwaukie, OR) is 1,950.56 mi.
2,399 mi = 3.22 kms