The flight distance from Adelaide International Airport (ADL) in Adelaide, Australia to Alenquer Airport (ALT) in Alenquer, Brazil is 15,689 kilometers (9,749 miles / 8,471 nautical miles). The estimated flight time for this route is approximately 19h, flying south southeast at a heading of 159°.

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 Brazil. 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 08:40 in Adelaide, it's 18:10 in Alenquer. 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 Alenquer (ALT) to Adelaide (ADL) follows a heading of 197° (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 Alenquer Airport (ALT) detail pages, or use our flight duration calculator to compare other routes.