Miles between Thornton, CO and Mattoon, IL

There are
972 mi
from Thornton, CO to Mattoon, IL

That's the driving distance. It would take 17 hours 16 mins to go from Thornton, Colorado to Mattoon, Illinois.

The flight distance (direct flight from Thornton, CO to Mattoon, IL) is 881.86 mi.

972 mi = 1,564.73 kms