Miles between Thornton, CO and Keizer, OR

There are
1,276 mi
from Thornton, CO to Keizer, OR

That's the driving distance. It would take 22 hours 5 mins to go from Thornton, Colorado to Keizer, Oregon.

The flight distance (direct flight from Thornton, CO to Keizer, OR) is 983.77 mi.

1,276 mi = 1.61 kms