Flight Noi Bai International Airport departs from Hanoi Noi Bai International Airport at 00:25 and arrives at Tokyo Narita International Airport at 07:00. The flighttime is about 4h 35m. The distance travelled ("as the bird flies"): 3920 Km. So the average speed is roughly 855 Km. There is an 2 hour time difference between Hanoi and Tokyo
