Miles between Thornton, CO and Longview, WA

There are
1,274 mi
from Thornton, CO to Longview, WA

That's the driving distance. It would take 21 hours 59 mins to go from Thornton, Colorado to Longview, Washington.

The flight distance (direct flight from Thornton, CO to Longview, WA) is 1,002.83 mi.

1,274 mi = 1.61 kms