Miles between Thornton, CO and Lacey, WA

There are
1,342 mi
from Thornton, CO to Lacey, WA

That's the driving distance. It would take 23 hours 13 mins to go from Thornton, Colorado to Lacey, Washington.

The flight distance (direct flight from Thornton, CO to Lacey, WA) is 1,019.78 mi.

1,342 mi = 1.61 kms