The flight distance from Marechal Cunha Machado International Airport (SLZ) in Sao Luis, Brazil to Shenzhen Bao'an International Airport (SZX) in Shenzhen, China is 16,763 kilometers (10,416 miles / 9,051 nautical miles). The estimated flight time for this route is approximately 21h, flying northeast at a heading of 45°.

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

Time zone information: When it's 02:20 in Sao Luis, it's 13:20 in Shenzhen. With a 11-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 Shenzhen (SZX) to Sao Luis (SLZ) follows a heading of 310° (northwest). 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 Shenzhen Bao'an International Airport (SZX) detail pages, or use our flight duration calculator to compare other routes.