Miles between Boulder, CO and Brookfield, IL

There are
1,005 mi
from Boulder, CO to Brookfield, IL

That's the driving distance. It would take 17 hours 49 mins to go from Boulder, Colorado to Brookfield, Illinois.

The flight distance (direct flight from Boulder, CO to Brookfield, IL) is 916.38 mi.

1,005 mi = 1.61 kms