Miles between Thornton, CO and Troutdale, OR

There are
1,218 mi
from Thornton, CO to Troutdale, OR

That's the driving distance. It would take 20 hours 53 mins to go from Thornton, Colorado to Troutdale, Oregon.

The flight distance (direct flight from Thornton, CO to Troutdale, OR) is 964.56 mi.

1,218 mi = 1.61 kms