Miles between Boulder, CO and Oswego, IL

There are
987 mi
from Boulder, CO to Oswego, IL

That's the driving distance. It would take 17 hours 24 mins to go from Boulder, Colorado to Oswego, Illinois.

The flight distance (direct flight from Boulder, CO to Oswego, IL) is 890.30 mi.

987 mi = 1,587.63 kms