Miles between Greeley, CO and Alton, IL

There are
896 mi
from Greeley, CO to Alton, IL

That's the driving distance. It would take 15 hours 53 mins to go from Greeley, Colorado to Alton, Illinois.

The flight distance (direct flight from Greeley, CO to Alton, IL) is 778.94 mi.

896 mi = 1,442.77 kms