Flight Narita International Airport departs from Tokyo Narita International Airport at 10:30 and arrives at Da Nang Da Nang International Airport at 14:10.
The flighttime is about 5h 40m. The distance travelled ("as the bird flies"): 3744 Km. So the average speed is roughly 661 Km.
There is an 2 hour time difference between Tokyo and Da Nang
