136 km. According to Baidu map query, self-driving takes 1 hour for 44 minutes, passing through Shennan Avenue, Beijing-Hong Kong-Macao Expressway and Guangfo Expressway. Shenzhen is a modern metropolis in the south of China. It is located in the southeast of Guangdong Province, bordering Dapeng Bay in the east, the Pearl River Estuary in the west, Hong Kong in the south and Guangzhou in the north. It is one of the special economic zones in China and an important window and experimental area for China's reform and opening up.