Miles between Portland, OR and Watertown, SD

There are
1,634 mi
from Portland, OR to Watertown, SD

That's the driving distance. It would take 1 day 3 hours to go from Portland, Oregon to Watertown, South Dakota.

The flight distance (direct flight from Portland, OR to Watertown, SD) is 1,239.68 mi.

1,634 mi = 1.61 kms