Miles between Hillsboro, OR and Thornton, CO

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

That's the driving distance. It would take 21 hours 39 mins to go from Hillsboro, Oregon to Thornton, Colorado.

The flight distance (direct flight from Hillsboro, OR to Thornton, CO) is 992.09 mi.

1,252 mi = 1.61 kms