There are
2,825 mi
from Allentown, PA to Milwaukie, OR
That's the driving distance. It would take 2 days 1 hour to go from Allentown, Pennsylvania to Milwaukie, Oregon.
The flight distance (direct flight from Allentown, PA to Milwaukie, OR) is 2,370.24 mi.
2,825 mi = 3.22 kms