Miles between Thornton, CO and Mountlake Terrace, WA

There are
1,307 mi
from Thornton, CO to Mountlake Terrace, WA

That's the driving distance. It would take 22 hours 42 mins to go from Thornton, Colorado to Mountlake Terrace, Washington.

The flight distance (direct flight from Thornton, CO to Mountlake Terrace, WA) is 1,019.33 mi.

1,307 mi = 1.61 kms