The flight distance from Guarulhos - Governador Andre Franco Montoro International Airport (GRU) in Sao Paulo, Brazil to Thakhek Airport (THK) in Thakhek, Laos is 16,953 kilometers (10,534 miles / 9,154 nautical miles). The estimated flight time for this route is approximately 21h, flying east at a heading of 97°.

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 Laos. 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 11:23 in Sao Paulo, it's 21:23 in Thakhek. 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 2,010 feet between the two airports. Thakhek Airport sits lower than Guarulhos - Governador Andre Franco Montoro International Airport.

The return flight from Thakhek (THK) to Sao Paulo (GRU) follows a heading of 253° (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 Thakhek Airport (THK) detail pages, or use our flight duration calculator to compare other routes.