736.4 kilometers. According to the Baidu map, it takes 8 hours and 49 minutes to drive from Chengdu to Yuanmou, passing through Beijing-Kunming Expressway, and the distance between them is 736.4 kilometers, so Chengdu to Yuanmou is 736.4 kilometers. Chengdu, referred to as "Rong" for short, is also called Rongcheng and Jincheng, a prefecture-level city under the jurisdiction of Sichuan Province, a provincial capital, a sub-provincial city, a megacity, a national central city and a world food capital.