Miles between Thornton, CO and Tumwater, WA

There are
1,336 mi
from Thornton, CO to Tumwater, WA

That's the driving distance. It would take 23 hours 4 mins to go from Thornton, Colorado to Tumwater, Washington.

The flight distance (direct flight from Thornton, CO to Tumwater, WA) is 1,022.81 mi.

1,336 mi = 1.61 kms