Calculate route from Calhan (airport) (Colorado, United States) to Boulder (Colorado, United States).

The flight distance (as the crow flies) between Calhan (airport) and Boulder is 136.0 km.

Roadmap (route) to go from Calhan Airport to Boulder detailed above, you can also see the course layout on the map.

While doing trip Calhan (airport) - Boulder by car, the calculated route ends at a distance , or more straight.