Flight Taoyuan International Airport departs from Taipei Taoyuan International Airport at 08:25 and arrives at London London Gatwick Airport at 19:25.The flight has a short stop at Bangkok.
The flighttime is about 18h 00m. The distance travelled ("as the bird flies"): 13114 Km. So the average speed is roughly 729 Km.
There is an 7 hour time difference between Taipei and London