The flight distance from Adelaide International Airport (ADL) in Adelaide, Australia to Annai Airport (NAI) in Annai, Guyana is 16,119 kilometers (10,016 miles / 8,704 nautical miles). The estimated flight time for this route is approximately 20h, flying south southeast at a heading of 148°.

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

Time zone information: When it's 11:26 in Adelaide, it's 21:56 in Annai. With a 13.5-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 Annai (NAI) to Adelaide (ADL) follows a heading of 206° (south 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 Adelaide International Airport (ADL) and Annai Airport (NAI) detail pages, or use our flight duration calculator to compare other routes.