Miles between Hillsboro, OR and Ontario, OR

There are
394 mi
from Hillsboro, OR to Ontario, OR

That's the driving distance. It would take 7 hours 25 mins to go from Hillsboro, Oregon to Ontario, Oregon.

The flight distance (direct flight from Hillsboro, OR to Ontario, OR) is 313.07 mi.

394 mi = 634.40 kms