The flight distance from Noi Bai International Airport (HAN) in Hanoi, Vietnam to Semonkong Airport (SOK) in Semonkong, Lesotho is 10,062 kilometers (6,252 miles / 5,433 nautical miles). The estimated flight time for this route is approximately 13h, flying west southwest at a heading of 238°.

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 Lesotho. It is an intercontinental flight between Asia and Africa. Travelers should check visa requirements, customs regulations, and any travel advisories before booking.

Time zone information: When it's 19:51 in Hanoi, it's 14:51 in Semonkong. The 5-hour time difference may cause some jet lag. Most travelers adjust within a day or two.

There is a significant elevation difference of 7,161 feet between the two airports. Semonkong Airport sits higher than Noi Bai International Airport. Travelers arriving at the higher-elevation airport should be aware of potential altitude effects.

The return flight from Semonkong (SOK) to Hanoi (HAN) 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 Noi Bai International Airport (HAN) and Semonkong Airport (SOK) detail pages, or use our flight duration calculator to compare other routes.