Denning Airport

Denning Airport is an airport located in Keenesburg Colorado, US. The ICAO code is CO04, used by air traffic control and pilots for flight planning.

The airport operates in the America/Denver timezone. When planning flights to or from CO04, use our flight duration calculator to account for timezone differences, especially for international travel.

Denning Airport sits at an elevation of 4,977 feet (1,517 meters) above sea level.

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