Miles between Boulder, CO and Algonquin, IL

There are
994 mi
from Boulder, CO to Algonquin, IL

That's the driving distance. It would take 17 hours 46 mins to go from Boulder, Colorado to Algonquin, Illinois.

The flight distance (direct flight from Boulder, CO to Algonquin, IL) is 894.89 mi.

994 mi = 1,599.01 kms