The flight distance from Hartsfield - Jackson Atlanta International Airport (ATL) in Atlanta, United States to Ouyen Airport (OYN) in Ouyen Airport, Australia is 15,758 kilometers (9,792 miles / 8,509 nautical miles). The estimated flight time for this route is approximately 20h, flying west southwest at a heading of 254°.

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

Time zone information: When it's 02:33 in Atlanta, it's 18:33 in Ouyen Airport. With a 16-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 1,026 feet between the two airports. Ouyen Airport sits lower than Hartsfield - Jackson Atlanta International Airport.

The return flight from Ouyen Airport (OYN) to Atlanta (ATL) follows a heading of 78° (east 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 Hartsfield - Jackson Atlanta International Airport (ATL) and Ouyen Airport (OYN) detail pages, or use our flight duration calculator to compare other routes.