The flight distance from Adelaide International Airport (ADL) in Adelaide, Australia to Jefferson City Memorial Airport (JEF) in Jefferson City, United States is 15,539 kilometers (9,656 miles / 8,390 nautical miles). The estimated flight time for this route is approximately 19h, flying east northeast at a heading of 69°.

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 Australia 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 11:31 in Adelaide, it's 21:01 in Jefferson City. With a 14.5-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 Jefferson City (JEF) to Adelaide (ADL) follows a heading of 259° (west). Actual flight times may vary depending on wind conditions, air traffic, and the specific aircraft used.

For more information about these airports, visit the Adelaide International Airport (ADL) and Jefferson City Memorial Airport (JEF) detail pages, or use our flight duration calculator to compare other routes.