The flight distance from Guarulhos - Governador Andre Franco Montoro International Airport (GRU) in Sao Paulo, Brazil to Siena / Ampugnano Airport (SAY) in Siena, Italy is 9,471 kilometers (5,885 miles / 5,114 nautical miles). The estimated flight time for this route is approximately 12h, flying northeast at a heading of 38°.

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

Time zone information: When it's 07:50 in Sao Paulo, it's 11:50 in Siena. The 4-hour time difference may cause some jet lag. Most travelers adjust within a day or two.

There is a significant elevation difference of 1,825 feet between the two airports. Siena / Ampugnano Airport sits lower than Guarulhos - Governador Andre Franco Montoro International Airport.

The return flight from Siena (SAY) to Sao Paulo (GRU) follows a heading of 231° (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 Siena / Ampugnano Airport (SAY) detail pages, or use our flight duration calculator to compare other routes.