The flight distance from Enua Airport (AIU) in Atiu Island, CK to St Louis Lambert International Airport (STL) in St Louis, United States is 9,601 kilometers (5,966 miles / 5,184 nautical miles). The estimated flight time for this route is approximately 12h, flying northeast at a heading of 46°.

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

Time zone information: When it's 07:12 in Atiu Island, it's 11:12 in St Louis. The 4-hour time difference may cause some jet lag. Most travelers adjust within a day or two.

The return flight from St Louis (STL) to Atiu Island (AIU) follows a heading of 241° (west southwest). Actual flight times may vary depending on wind conditions, air traffic, and the specific aircraft used.

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