Miles between Thornton, CO and Crystal Lake, IL

There are
980 mi
from Thornton, CO to Crystal Lake, IL

That's the driving distance. It would take 17 hours 28 mins to go from Thornton, Colorado to Crystal Lake, Illinois.

The flight distance (direct flight from Thornton, CO to Crystal Lake, IL) is 881.66 mi.

980 mi = 1,577.88 kms