Miles between Thornton, CO and Plano, IL

There are
957 mi
from Thornton, CO to Plano, IL

That's the driving distance. It would take 17 hours to go from Thornton, Colorado to Plano, Illinois.

The flight distance (direct flight from Thornton, CO to Plano, IL) is 867.58 mi.

957 mi = 1,540.04 kms