The flight distance from Alenquer Airport (ALT) in Alenquer, Brazil to Sydney Kingsford Smith International Airport (SYD) in Sydney, Australia is 15,194 kilometers (9,441 miles / 8,204 nautical miles). The estimated flight time for this route is approximately 19h, flying south southwest at a heading of 212°.

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

Time zone information: When it's 17:09 in Alenquer, it's 08:09 in Sydney. With a 15-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 Sydney (SYD) to Alenquer (ALT) follows a heading of 141° (southeast). Actual flight times may vary depending on wind conditions, air traffic, and the specific aircraft used.

For more information about these airports, visit the Alenquer Airport (ALT) and Sydney Kingsford Smith International Airport (SYD) detail pages, or use our flight duration calculator to compare other routes.