The flight distance from Sofia Airport (SOF) in Sofia, Bulgaria to Buol Airport (UOL) in Buol-Celebes Island, Indonesia is 10,574 kilometers (6,570 miles / 5,709 nautical miles). The estimated flight time for this route is approximately 13h, flying east at a heading of 84°.

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

Time zone information: When it's 19:59 in Sofia, it's 01:59 in Buol-Celebes Island. 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 1,737 feet between the two airports. Buol Airport sits lower than Sofia Airport.

The return flight from Buol-Celebes Island (UOL) to Sofia (SOF) follows a heading of 313° (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 Sofia Airport (SOF) and Buol Airport (UOL) detail pages, or use our flight duration calculator to compare other routes.