The flight distance from Sofia Airport (SOF) in Sofia, Bulgaria to Seletar Airport (XSP) in Seletar, Singapore is 9,122 kilometers (5,668 miles / 4,925 nautical miles). The estimated flight time for this route is approximately 12h, flying east at a heading of 95°.

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 Singapore. 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 10:26 in Sofia, it's 16:26 in Seletar. 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 1,706 feet between the two airports. Seletar Airport sits lower than Sofia Airport.

The return flight from Seletar (XSP) 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 Seletar Airport (XSP) detail pages, or use our flight duration calculator to compare other routes.