Flight Guarulhos International Airport departs from Sao Paulo Guarulhos International Airport at 01:35 and arrives at Lisbon Humberto Delgado Airport at 14:30.
The flighttime is about 8h 55m. The distance travelled ("as the bird flies"): 7161 Km. So the average speed is roughly 803 Km.
There is an 4 hour time difference between Sao Paulo and Lisbon
