Miles between Hillsboro, OR and Ontario, CA

There are
1,001 mi
from Hillsboro, OR to Ontario, CA

That's the driving distance. It would take 19 hours 3 mins to go from Hillsboro, Oregon to Ontario, California.

The flight distance (direct flight from Hillsboro, OR to Ontario, CA) is 840.48 mi.

1,001 mi = 1.61 kms