The flight distance from Cocos (Keeling) Islands Airport (CCK) in Cocos (Keeling) Islands, CC to Sofia Airport (SOF) in Sofia, Bulgaria is 9,614 kilometers (5,974 miles / 5,191 nautical miles). The estimated flight time for this route is approximately 12h, flying northwest at a heading of 315°.

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 Bulgaria. Travelers should check visa requirements, customs regulations, and any travel advisories before booking.

Time zone information: When it's 03:41 in Cocos (Keeling) Islands, it's 23:11 in Sofia. The 4.5-hour time difference may cause some jet lag. Most travelers adjust within a day or two.

There is a significant elevation difference of 1,732 feet between the two airports. Sofia Airport sits higher than Cocos (Keeling) Islands Airport.

The return flight from Sofia (SOF) to Cocos (Keeling) Islands (CCK) follows a heading of 110° (east southeast). 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 Sofia Airport (SOF) detail pages, or use our flight duration calculator to compare other routes.