The flight distance from St Louis Lambert International Airport (STL) in St Louis, United States to Fianarantsoa Airport (WFI) in Fianarantsoa Airport, Madagascar is 15,545 kilometers (9,659 miles / 8,394 nautical miles). The estimated flight time for this route is approximately 19h, 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 United States with Madagascar. It is an intercontinental flight between North America and Africa. Travelers should check visa requirements, customs regulations, and any travel advisories before booking.

Time zone information: When it's 11:54 in St Louis, it's 20:54 in Fianarantsoa Airport. With a 9-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 3,041 feet between the two airports. Fianarantsoa Airport sits higher than St Louis Lambert International Airport.

The return flight from Fianarantsoa Airport (WFI) to St Louis (STL) follows a heading of 305° (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 Louis Lambert International Airport (STL) and Fianarantsoa Airport (WFI) detail pages, or use our flight duration calculator to compare other routes.