Distance between London, England, United Kingdom and Beijing, China, as the crow flies: 5071 miles (8161 km) (4406 nautical miles)
4,977.78 miles (8,010.94 kilometres)
8621 miles
The average distance is 5,778 miles, depending on where in China do you want to go.
If we are talking from capital city to capital city, from Beijing to New Delhi would be 2007.65 miles or 3230.92 kilometers.
Some airline sites will show you the miles when you are making a reservation. An independent way to find out is to use the site...