The flight distance from Guarulhos - Governador Andre Franco Montoro International Airport (GRU) in Sao Paulo, Brazil to Kastoria National Airport (KSO) in Kastoria, Greece is 9,968 kilometers (6,194 miles / 5,382 nautical miles). The estimated flight time for this route is approximately 13h, flying northeast at a heading of 45°.

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 Greece. 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 15:04 in Sao Paulo, it's 20:04 in Kastoria. The 5-hour time difference may cause some jet lag. Most travelers adjust within a day or two.

The return flight from Kastoria (KSO) to Sao Paulo (GRU) follows a heading of 238° (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 Kastoria National Airport (KSO) detail pages, or use our flight duration calculator to compare other routes.