The flight distance from Adelaide International Airport (ADL) in Adelaide, Australia to Sion Airport (SIR) in Sion, Switzerland is 15,781 kilometers (9,806 miles / 8,521 nautical miles). The estimated flight time for this route is approximately 20h, flying west northwest at a heading of 302°.

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 Switzerland. It is an intercontinental flight between Oceania and Europe. Travelers should check visa requirements, customs regulations, and any travel advisories before booking.

Time zone information: When it's 01:29 in Adelaide, it's 15:59 in Sion. With a 9.5-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 1,565 feet between the two airports. Sion Airport sits higher than Adelaide International Airport.

The return flight from Sion (SIR) to Adelaide (ADL) follows a heading of 91° (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 Adelaide International Airport (ADL) and Sion Airport (SIR) detail pages, or use our flight duration calculator to compare other routes.