The flight distance from Douala International Airport (DLA) in Douala, Cameroon to St Louis Lambert International Airport (STL) in St Louis, United States is 10,598 kilometers (6,585 miles / 5,722 nautical miles). The estimated flight time for this route is approximately 13h, flying northwest at a heading of 310°.

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

Time zone information: When it's 00:23 in Douala, it's 17:23 in St Louis. 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.

The return flight from St Louis (STL) to Douala (DLA) follows a heading of 81° (east). Actual flight times may vary depending on wind conditions, air traffic, and the specific aircraft used.

For more information about these airports, visit the Douala International Airport (DLA) and St Louis Lambert International Airport (STL) detail pages, or use our flight duration calculator to compare other routes.