Miles between Greeley, CO and Round Lake, IL

There are
978 mi
from Greeley, CO to Round Lake, IL

That's the driving distance. It would take 17 hours 56 mins to go from Greeley, Colorado to Round Lake, Illinois.

The flight distance (direct flight from Greeley, CO to Round Lake, IL) is 870.12 mi.

978 mi = 1,573.95 kms