Miles between Thornton, CO and , WA

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

That's the driving distance. It would take 17 hours 53 mins to go from Thornton, Colorado to , Washington.

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

1,074 mi = 1.61 kms