Miles between Thornton, CO and Frankfort, IL

There are
984 mi
from Thornton, CO to Frankfort, IL

That's the driving distance. It would take 17 hours 23 mins to go from Thornton, Colorado to Frankfort, Illinois.

The flight distance (direct flight from Thornton, CO to Frankfort, IL) is 902.71 mi.

984 mi = 1,584.11 kms