The flight distance from Guarulhos - Governador Andre Franco Montoro International Airport (GRU) in Sao Paulo, Brazil to Samui Airport (USM) in Na Thon (Ko Samui Island), Thailand is 16,141 kilometers (10,029 miles / 8,715 nautical miles). The estimated flight time for this route is approximately 20h, flying east southeast at a heading of 108°.

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 Thailand. 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 22:29 in Sao Paulo, it's 08:29 in Na Thon (Ko Samui Island). With a 10-hour time difference, travelers should plan for significant jet lag. It typically takes one day per hour of time difference to fully adjust.

There is a significant elevation difference of 2,395 feet between the two airports. Samui Airport sits lower than Guarulhos - Governador Andre Franco Montoro International Airport.

The return flight from Na Thon (Ko Samui Island) (USM) to Sao Paulo (GRU) follows a heading of 242° (west 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 Guarulhos - Governador Andre Franco Montoro International Airport (GRU) and Samui Airport (USM) detail pages, or use our flight duration calculator to compare other routes.