The flight distance from St Gallen Altenrhein Airport (ACH) in Altenrhein, Switzerland to Tan Son Nhat International Airport (SGN) in Ho Chi Minh City, Vietnam is 9,648 kilometers (5,995 miles / 5,209 nautical miles). The estimated flight time for this route is approximately 12h, flying east northeast at a heading of 77°.

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 Vietnam. 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 13:36 in Altenrhein, it's 19:36 in Ho Chi Minh City. With a 6-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 1,273 feet between the two airports. Tan Son Nhat International Airport sits lower than St Gallen Altenrhein Airport.

The return flight from Ho Chi Minh City (SGN) to Altenrhein (ACH) 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 St Gallen Altenrhein Airport (ACH) and Tan Son Nhat International Airport (SGN) detail pages, or use our flight duration calculator to compare other routes.