Miles between Portland, OR and Johnston, IA

There are
1,792 mi
from Portland, OR to Johnston, IA

That's the driving distance. It would take 1 day 6 hours to go from Portland, Oregon to Johnston, Iowa.

The flight distance (direct flight from Portland, OR to Johnston, IA) is 1,465.52 mi.

1,792 mi = 1.61 kms