Chengdu which is the capitol of the Sichuan province is approximately 845 miles from Hong Kong. I found this information on a website discussing Hong Kong's proximity to other major areas in China.
Wuhan to Beijing is 654 miles or 1053 km.
812.77 km by road.
1022 km
The distance from Hong Kong to Guangzhou is 174 Kms.
The flight distance from Hong Kong to Singapore is 1,596 miles / 2,569 km.
No distance at all. The ocean surrounds Hong Kong.
The flight distance from Singapore to Hong Kong is: 1,596 miles / 2,569 km
The flight distance from Kolkata, India to Hong Kong is 1,649 miles / 2,653 km
The flight distance between Vancouver and Hong Kong is 6,386 miles / 10,278 km
The driving distance from Hong Kong to Shanghai, China is 1,160 miles / 1,867 km.
The flight distance from Bangkok, Thailand to Hong Kong is: 1,071 miles / 1,723 km
The distance from Hong Kong to Macao is about 40 kilometres and it takes around an hour to get there by ferry.
The distance from Chicago, IL to Hong Kong is 7,806 milesor 12,562 kilometers.
The flight distance from Hong Kong International Airport to Nairobi, Kenya is 5,433 miles / 8,744km
The distance between Hong Kong, Hong Kong and Tokyo, Japan is 1774 miles (2854 km).