Miles between Boulder, CO and Fox Lake, IL

There are
1,023 mi
from Boulder, CO to Fox Lake, IL

That's the driving distance. It would take 18 hours 11 mins to go from Boulder, Colorado to Fox Lake, Illinois.

The flight distance (direct flight from Boulder, CO to Fox Lake, IL) is 901.73 mi.

1,023 mi = 1,645.98 kms