Flight Leonardo da Vinci–Fiumicino Airport departs from Rome Leonardo da Vinci–Fiumicino Airport at 12:00 and arrives at Singapore Changi Airport at 06:00. The flighttime is about 12h 00m. The distance travelled ("as the bird flies"): 9841 Km. So the average speed is roughly 820 Km. There is an 6 hour time difference between Rome and Singapore