Miles between Boulder, CO and Downers Grove, IL

There are
996 mi
from Boulder, CO to Downers Grove, IL

That's the driving distance. It would take 17 hours 34 mins to go from Boulder, Colorado to Downers Grove, Illinois.

The flight distance (direct flight from Boulder, CO to Downers Grove, IL) is 908.13 mi.

996 mi = 1,603.35 kms