Miles between Thornton, CO and Lisle, IL

There are
973 mi
from Thornton, CO to Lisle, IL

That's the driving distance. It would take 17 hours 7 mins to go from Thornton, Colorado to Lisle, Illinois.

The flight distance (direct flight from Thornton, CO to Lisle, IL) is 891.87 mi.

973 mi = 1,565.12 kms