The flight distance from Marechal Cunha Machado International Airport (SLZ) in Sao Luis, Brazil to Sydney Kingsford Smith International Airport (SYD) in Sydney, Australia is 15,643 kilometers (9,720 miles / 8,447 nautical miles). The estimated flight time for this route is approximately 19h, flying south southwest at a heading of 200°.

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 04:18 in Sao Luis, it's 18:18 in Sydney. With a 14-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 Sao Luis (SLZ) follows a heading of 155° (south 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 Marechal Cunha Machado International Airport (SLZ) and Sydney Kingsford Smith International Airport (SYD) detail pages, or use our flight duration calculator to compare other routes.