The flight distance from Cocos (Keeling) Islands Airport (CCK) in Cocos (Keeling) Islands, CC to Denver International Airport (DEN) in Denver, United States is 16,285 kilometers (10,119 miles / 8,793 nautical miles). The estimated flight time for this route is approximately 20h, flying north northeast at a heading of 31°.

This is an ultra-long-haul route, one of the longest in aviation. It requires wide-body aircraft with extended range capability such as the Airbus A350-900ULR or Boeing 777-200LR. Passengers should prepare for an extended flight with multiple meal services.

This is an international route connecting CC with United States. Travelers should check visa requirements, customs regulations, and any travel advisories before booking.

Time zone information: When it's 08:33 in Cocos (Keeling) Islands, it's 20:03 in Denver. With a 12.5-hour time difference, travelers should plan for significant jet lag. It typically takes one day per hour of time difference to fully adjust.

There is a significant elevation difference of 5,424 feet between the two airports. Denver International Airport sits higher than Cocos (Keeling) Islands Airport. Travelers arriving at the higher-elevation airport should be aware of potential altitude effects.

The return flight from Denver (DEN) to Cocos (Keeling) Islands (CCK) follows a heading of 320° (northwest). Actual flight times may vary depending on wind conditions, air traffic, and the specific aircraft used.

For more information about these airports, visit the Cocos (Keeling) Islands Airport (CCK) and Denver International Airport (DEN) detail pages, or use our flight duration calculator to compare other routes.