Flight Narita International Airport departs from Tokyo Narita International Airport at 16:30 and arrives at Hanoi Noi Bai International Airport at 20:05.
The flighttime is about 5h 35m. The distance travelled ("as the bird flies"): 3920 Km. So the average speed is roughly 702 Km.
There is an 2 hour time difference between Tokyo and Hanoi
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