The flight distance from Sydney Kingsford Smith International Airport (SYD) in Sydney, Australia to Osmany International Airport (ZYL) in Sylhet, Bangladesh is 9,060 kilometers (5,630 miles / 4,892 nautical miles). The estimated flight time for this route is approximately 12h, flying northwest at a heading of 308°.

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 Australia with Bangladesh. It is an intercontinental flight between Oceania and Asia. Travelers should check visa requirements, customs regulations, and any travel advisories before booking.

Time zone information: When it's 13:25 in Sydney, it's 09:25 in Sylhet. The 4-hour time difference may cause some jet lag. Most travelers adjust within a day or two.

The return flight from Sylhet (ZYL) to Sydney (SYD) follows a heading of 134° (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 Sydney Kingsford Smith International Airport (SYD) and Osmany International Airport (ZYL) detail pages, or use our flight duration calculator to compare other routes.