Miles between Boulder, CO and Crest Hill, IL

There are
994 mi
from Boulder, CO to Crest Hill, IL

That's the driving distance. It would take 17 hours 30 mins to go from Boulder, Colorado to Crest Hill, Illinois.

The flight distance (direct flight from Boulder, CO to Crest Hill, IL) is 903.13 mi.

994 mi = 1,599.25 kms