The flight distance from Sydney Bankstown Airport (BWU) in Sydney, Australia to Tribhuvan International Airport (KTM) in Kathmandu, Nepal is 9,729 kilometers (6,045 miles / 5,253 nautical miles). The estimated flight time for this route is approximately 12h, flying northwest at a heading of 306°.

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 Nepal. 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 22:07 in Sydney, it's 16:52 in Kathmandu. The 5.25-hour time difference may cause some jet lag. Most travelers adjust within a day or two.

There is a significant elevation difference of 4,361 feet between the two airports. Tribhuvan International Airport sits higher than Sydney Bankstown Airport.

The return flight from Kathmandu (KTM) to Sydney (BWU) follows a heading of 131° (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 Bankstown Airport (BWU) and Tribhuvan International Airport (KTM) detail pages, or use our flight duration calculator to compare other routes.