Miles between Hillsboro, OR and Boulder, CO

There are
1,252 mi
from Hillsboro, OR to Boulder, CO

That's the driving distance. It would take 21 hours 46 mins to go from Hillsboro, Oregon to Boulder, Colorado.

The flight distance (direct flight from Hillsboro, OR to Boulder, CO) is 973.32 mi.

1,252 mi = 1.61 kms