The flight distance from Sievierodonetsk Airport (SEV) in Sievierodonetsk, Ukraine to St Louis Lambert International Airport (STL) in St Louis, United States is 9,050 kilometers (5,624 miles / 4,887 nautical miles). The estimated flight time for this route is approximately 12h, flying northwest at a heading of 322°.

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

The return flight from St Louis (STL) to Sievierodonetsk (SEV) follows a heading of 31° (north 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 Sievierodonetsk Airport (SEV) and St Louis Lambert International Airport (STL) detail pages, or use our flight duration calculator to compare other routes.