Miles between , WA and Thornton, CO

There are
1,074 mi
from , WA to Thornton, CO

That's the driving distance. It would take 17 hours 48 mins to go from , Washington to Thornton, Colorado.

The flight distance (direct flight from , WA to Thornton, CO) is 813.98 mi.

1,074 mi = 1,728.29 kms