The flight distance from Watertown Regional Airport (ATY) in Watertown, United States to Guarulhos - Governador Andre Franco Montoro International Airport (GRU) in Sao Paulo, Brazil is 9,171 kilometers (5,699 miles / 4,952 nautical miles). The estimated flight time for this route is approximately 12h, flying southeast at a heading of 134°.

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 United States with Brazil. It is an intercontinental flight between North America and South America. Travelers should check visa requirements, customs regulations, and any travel advisories before booking.

Time zone information: When it's 18:27 in Watertown, it's 20:27 in Sao Paulo.

The return flight from Sao Paulo (GRU) to Watertown (ATY) follows a heading of 326° (north 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 Watertown Regional Airport (ATY) and Guarulhos - Governador Andre Franco Montoro International Airport (GRU) detail pages, or use our flight duration calculator to compare other routes.