There are
1,886 mi
from Iowa City, IA to Troutdale, OR
That's the driving distance. It would take 1 day 8 hours to go from Iowa City, Iowa to Troutdale, Oregon.
The flight distance (direct flight from Iowa City, IA to Troutdale, OR) is 1,557.06 mi.
1,886 mi = 1.61 kms