Miles between Boulder, CO and East St Louis, IL

There are
872 mi
from Boulder, CO to East St Louis, IL

That's the driving distance. It would take 15 hours 28 mins to go from Boulder, Colorado to East St Louis, Illinois.

The flight distance (direct flight from Boulder, CO to East St Louis, IL) is 814.24 mi.

872 mi = 1,404.05 kms