China National Highway 219

China National Highway 219 (G219; Chinese: Guódào219) is a highway running along the entire western and southern border of the People's Republic of China, from Kom-Kanas in Xinjiang to Dongxing in Guangxi. At over 10,000 kilometres (6,214 mi) in length, it is part of the China National Highway Network Planning (2013–2030), and once completed it will be the longest National Highway.