The flight distance from Kasos Airport (KSJ) in Kasos Island, Greece to St Louis Lambert International Airport (STL) in St Louis, United States is 9,552 kilometers (5,935 miles / 5,158 nautical miles). The estimated flight time for this route is approximately 12h, flying northwest at a heading of 316°.

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 Greece 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.

Time zone information: When it's 14:22 in Kasos Island, it's 06:22 in St Louis. With a 8-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 Kasos Island (KSJ) follows a heading of 47° (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 Kasos Airport (KSJ) and St Louis Lambert International Airport (STL) detail pages, or use our flight duration calculator to compare other routes.