Miles between Thornton, CO and Harvey, IL

There are
997 mi
from Thornton, CO to Harvey, IL

That's the driving distance. It would take 17 hours 37 mins to go from Thornton, Colorado to Harvey, Illinois.

The flight distance (direct flight from Thornton, CO to Harvey, IL) is 913.38 mi.

997 mi = 1,604.00 kms