Miles between Greeley, CO and Mattoon, IL

There are
1,012 mi
from Greeley, CO to Mattoon, IL

That's the driving distance. It would take 17 hours 59 mins to go from Greeley, Colorado to Mattoon, Illinois.

The flight distance (direct flight from Greeley, CO to Mattoon, IL) is 866.44 mi.

1,012 mi = 1.61 kms