Flight Taoyuan International Airport departs from Taipei Taoyuan International Airport at 08:45 and arrives at London Heathrow Airport at 19:25.The flight has a short stop at Bangkok.
The flighttime is about 17h 40m. The distance travelled ("as the bird flies"): 13134 Km. So the average speed is roughly 743 Km.
There is an 7 hour time difference between Taipei and London