Miles between Thornton, CO and Hillsboro, OR

There are
1,251 mi
from Thornton, CO to Hillsboro, OR

That's the driving distance. It would take 21 hours 42 mins to go from Thornton, Colorado to Hillsboro, Oregon.

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

1,251 mi = 1.61 kms