Miles between Portland, OR and Mercer Island, WA

There are
176 mi
from Portland, OR to Mercer Island, WA

That's the driving distance. It would take 3 hours 31 mins to go from Portland, Oregon to Mercer Island, Washington.

The flight distance (direct flight from Portland, OR to Mercer Island, WA) is 143.08 mi.

176 mi = 282.70 kms