Miles between Boulder, CO and Mchenry, IL

There are
1,009 mi
from Boulder, CO to Mchenry, IL

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

The flight distance (direct flight from Boulder, CO to Mchenry, IL) is 897.15 mi.

1,009 mi = 1.61 kms