Miles between Thornton, CO and Lyons, IL

There are
987 mi
from Thornton, CO to Lyons, IL

That's the driving distance. It would take 17 hours 33 mins to go from Thornton, Colorado to Lyons, Illinois.

The flight distance (direct flight from Thornton, CO to Lyons, IL) is 905.11 mi.

987 mi = 1,588.45 kms