Miles between Boulder, CO and Belvidere, IL

There are
975 mi
from Boulder, CO to Belvidere, IL

That's the driving distance. It would take 17 hours 11 mins to go from Boulder, Colorado to Belvidere, Illinois.

The flight distance (direct flight from Boulder, CO to Belvidere, IL) is 867.34 mi.

975 mi = 1,568.49 kms