There are
1,746 mi
from St Joseph, MO to Milwaukie, OR
That's the driving distance. It would take 1 day 5 hours to go from St Joseph, Missouri to Milwaukie, Oregon.
The flight distance (direct flight from St Joseph, MO to Milwaukie, OR) is 1,459.40 mi.
1,746 mi = 1.61 kms