There are
1,904 mi
from Iowa City, IA to Milwaukie, OR
That's the driving distance. It would take 1 day 8 hours to go from Iowa City, Iowa to Milwaukie, Oregon.
The flight distance (direct flight from Iowa City, IA to Milwaukie, OR) is 1,569.42 mi.
1,904 mi = 1.61 kms