Flight Leonardo da Vinci–Fiumicino Airport departs from Rome Leonardo da Vinci–Fiumicino Airport at 11:00 and arrives at Taipei Taoyuan International Airport at 05:50.
The flighttime is about 11h 50m. The distance travelled ("as the bird flies"): 11974 Km. So the average speed is roughly 1012 Km.
There is an 7 hour time difference between Rome and Taipei