The flight distance from Long Semado Airport (LSM) in Long Semado, Malaysia to St Louis Lambert International Airport (STL) in St Louis, United States is 14,542 kilometers (9,036 miles / 7,852 nautical miles). The estimated flight time for this route is approximately 18h, flying north northeast at a heading of 27°.

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 Malaysia with United States. It is an intercontinental flight between Asia and North America. Travelers should check visa requirements, customs regulations, and any travel advisories before booking.

Time zone information: When it's 02:11 in Long Semado, it's 12:11 in St Louis. With a 14-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 1,533 feet between the two airports. St Louis Lambert International Airport sits lower than Long Semado Airport.

The return flight from St Louis (STL) to Long Semado (LSM) follows a heading of 325° (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 Long Semado Airport (LSM) and St Louis Lambert International Airport (STL) detail pages, or use our flight duration calculator to compare other routes.