The flight distance from Guarulhos - Governador Andre Franco Montoro International Airport (GRU) in Sao Paulo, Brazil to Dong Hoi Airport (VDH) in Dong Hoi, Vietnam is 17,138 kilometers (10,649 miles / 9,254 nautical miles). The estimated flight time for this route is approximately 21h, flying east at a heading of 98°.

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 Vietnam. 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 10:50 in Sao Paulo, it's 20:50 in Dong Hoi. 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 2,400 feet between the two airports. Dong Hoi Airport sits lower than Guarulhos - Governador Andre Franco Montoro International Airport.

The return flight from Dong Hoi (VDH) to Sao Paulo (GRU) follows a heading of 252° (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 Dong Hoi Airport (VDH) detail pages, or use our flight duration calculator to compare other routes.