Miles between Thornton, CO and Gladstone, OR

There are
1,238 mi
from Thornton, CO to Gladstone, OR

That's the driving distance. It would take 21 hours 19 mins to go from Thornton, Colorado to Gladstone, Oregon.

The flight distance (direct flight from Thornton, CO to Gladstone, OR) is 970.92 mi.

1,238 mi = 1.61 kms