Miles between Boulder, CO and Prospect Heights, IL

There are
1,020 mi
from Boulder, CO to Prospect Heights, IL

That's the driving distance. It would take 18 hours 4 mins to go from Boulder, Colorado to Prospect Heights, Illinois.

The flight distance (direct flight from Boulder, CO to Prospect Heights, IL) is 912.83 mi.

1,020 mi = 1,642.19 kms