Flight Sabiha Gökcen International Airport departs from Istanbul Sabiha Gökcen International Airport at 15:35 and arrives at Rome Leonardo da Vinci–Fiumicino Airport at 16:20.
The flighttime is about 1h 45m. The distance travelled ("as the bird flies"): 1899 Km. So the average speed is roughly 1085 Km.
There is an 1 hour time difference between Istanbul and Rome