The flight distance from Kota Kinabalu International Airport (BKI) in Kota Kinabalu, Malaysia to Sofia Airport (SOF) in Sofia, Bulgaria is 9,775 kilometers (6,074 miles / 5,278 nautical miles). The estimated flight time for this route is approximately 12h, flying northwest at a heading of 313°.

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 Malaysia with Bulgaria. It is an intercontinental flight between Asia and Europe. Travelers should check visa requirements, customs regulations, and any travel advisories before booking.

Time zone information: When it's 19:50 in Kota Kinabalu, it's 13:50 in Sofia. With a 6-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 1,732 feet between the two airports. Sofia Airport sits higher than Kota Kinabalu International Airport.

The return flight from Sofia (SOF) to Kota Kinabalu (BKI) follows a heading of 84° (east). Actual flight times may vary depending on wind conditions, air traffic, and the specific aircraft used.

For more information about these airports, visit the Kota Kinabalu International Airport (BKI) and Sofia Airport (SOF) detail pages, or use our flight duration calculator to compare other routes.