Flight Narita International Airport departs from Tokyo Narita International Airport at 20:40 and arrives at Hangzhou Hangzhou Xiaoshan International Airport at 23:50.
The flighttime is about 4h 10m. The distance travelled ("as the bird flies"): 2252 Km. So the average speed is roughly 540 Km.
There is an 1 hour time difference between Tokyo and Hangzhou
