Miles between Boulder, CO and Gurnee, IL

There are
1,041 mi
from Boulder, CO to Gurnee, IL

That's the driving distance. It would take 18 hours 28 mins to go from Boulder, Colorado to Gurnee, Illinois.

The flight distance (direct flight from Boulder, CO to Gurnee, IL) is 915.92 mi.

1,041 mi = 1.61 kms