Miles between Hillsboro, OR and Mercer Island, WA

There are
193 mi
from Hillsboro, OR to Mercer Island, WA

That's the driving distance. It would take 4 hours to go from Hillsboro, Oregon to Mercer Island, Washington.

The flight distance (direct flight from Hillsboro, OR to Mercer Island, WA) is 146.12 mi.

193 mi = 310.99 kms