Miles between Boulder, CO and Mokena, IL

There are
1,003 mi
from Boulder, CO to Mokena, IL

That's the driving distance. It would take 17 hours 42 mins to go from Boulder, Colorado to Mokena, Illinois.

The flight distance (direct flight from Boulder, CO to Mokena, IL) is 913.93 mi.

1,003 mi = 1.61 kms