The flight distance from Sion Airport (SIR) in Sion, Switzerland to Wellington International Airport (WLG) in Wellington, New Zealand is 18,873 kilometers (11,727 miles / 10,191 nautical miles). The estimated flight time for this route is approximately 23h, flying east northeast at a heading of 66°.

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

Time zone information: When it's 04:27 in Sion, it's 14:27 in Wellington. With a 10-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 1,544 feet between the two airports. Wellington International Airport sits lower than Sion Airport.

The return flight from Wellington (WLG) to Sion (SIR) follows a heading of 303° (west 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 Sion Airport (SIR) and Wellington International Airport (WLG) detail pages, or use our flight duration calculator to compare other routes.