Miles between Centennial, CO and Round Lake Beach, IL

There are
1,020 mi
from Centennial, CO to Round Lake Beach, IL

That's the driving distance. It would take 18 hours 22 mins to go from Centennial, Colorado to Round Lake Beach, Illinois.

The flight distance (direct flight from Centennial, CO to Round Lake Beach, IL) is 895.06 mi.

1,020 mi = 1.61 kms