Miles between Boulder, CO and Winnetka, IL

There are
1,028 mi
from Boulder, CO to Winnetka, IL

That's the driving distance. It would take 18 hours 17 mins to go from Boulder, Colorado to Winnetka, Illinois.

The flight distance (direct flight from Boulder, CO to Winnetka, IL) is 923.21 mi.

1,028 mi = 1.61 kms