You can't sail from London to Cologne.
London (LON) to Beijing (BJS)Flight Duration 10 hours 0 mins
approx 10hours
3 hours about
4 days
Departure point: London, United KingdomDestination point: Beijing, People's Republic of ChinaEstimated flight duration: 10 hours, 7 minutes
2 days
6 and half days
several days
What country did Christopher Columbus sail for
Beijing is much better. London is a party which everyone can produce.
The flight distance from London Heathrow Airport to Beijing, China is about 5,080 miles.