The flight distance from Na-San Airport (SQH) in Son-La, Vietnam to London Stansted Airport (STN) in London, United Kingdom is 9,064 kilometers (5,632 miles / 4,894 nautical miles). The estimated flight time for this route is approximately 12h, flying northwest at a heading of 323°.

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 Vietnam with United Kingdom. It is an intercontinental flight between Asia and Europe. Travelers should check visa requirements, customs regulations, and any travel advisories before booking.

Time zone information: When it's 14:01 in Son-La, it's 07:01 in London. 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 1,785 feet between the two airports. London Stansted Airport sits lower than Na-San Airport.

The return flight from London (STN) to Son-La (SQH) follows a heading of 66° (east northeast). Actual flight times may vary depending on wind conditions, air traffic, and the specific aircraft used.

For more information about these airports, visit the Na-San Airport (SQH) and London Stansted Airport (STN) detail pages, or use our flight duration calculator to compare other routes.