Miles between Hillsboro, OR and Union City, CA

There are
657 mi
from Hillsboro, OR to Union City, CA

That's the driving distance. It would take 12 hours 44 mins to go from Hillsboro, Oregon to Union City, California.

The flight distance (direct flight from Hillsboro, OR to Union City, CA) is 550.14 mi.

657 mi = 1,056.84 kms