Miles between Thornton, CO and Cornelius, OR

There are
1,258 mi
from Thornton, CO to Cornelius, OR

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

The flight distance (direct flight from Thornton, CO to Cornelius, OR) is 995.28 mi.

1,258 mi = 1.61 kms