Beijing and Bangkok are two different cities with thousands of kilometers between them. Please clarify which city is being asked about by resubmitting the question.
The distance from London to Bangkok is 5929.4 Miles.
Bangkok (BKK) to London (LON)Flight Duration 15 hour and 16 hoursbut depend upon your flights choosen.
Bangkok (BKK) to London (LON)Flight Duration 15 hour and 16 hoursbut depend upon your flights choosen.
Departure point: Bangkok, ThailandDestination point: London, United KingdomEstimated flight duration: 11 hours, 52 minutes
Departure point: London, United KingdomDestination point: Beijing, People's Republic of ChinaEstimated flight duration: 10 hours, 7 minutes
The flight distance from London Heathrow Airport to Beijing, China is about 5,080 miles.
London (LON) to Beijing (BJS)Flight Duration 10 hours 0 mins
The flight time from London, United Kingdom to Bangkok, Thailand is 12 hours and 22 minutes. The actual flight time is 5,930 miles or 9,544 km.
Shortest Flight Duration from London (LON) to Bangkok (BKK): 11 hours 15 minutes. Flights may be longer due to stops or turbulence. www.thaiairways.co.uk would probably be your best choice for a flight but you could look at other airlines or use a flight comparison side for the best fare.
11,975 miles
As north as Norway and as south as the Alps.
A flight from London to Beijing would take approximately 10 to 13 hours.