The flight distance from Sion Airport (SIR) in Sion, Switzerland to Shenzhen Bao'an International Airport (SZX) in Shenzhen, China is 9,390 kilometers (5,835 miles / 5,070 nautical miles). The estimated flight time for this route is approximately 12h, flying east northeast at a heading of 63°.

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 China. 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 00:17 in Sion, it's 07:17 in Shenzhen. With a 7-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 1,572 feet between the two airports. Shenzhen Bao'an International Airport sits lower than Sion Airport.

The return flight from Shenzhen (SZX) to Sion (SIR) follows a heading of 318° (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 Shenzhen Bao'an International Airport (SZX) detail pages, or use our flight duration calculator to compare other routes.