10 hours and 46 minutes. According to the query Baidu map, Nanning is 925.7 kilometers away from Jieyang, and it takes 10 hours and 46 minutes to drive 120 mph. Nanning, also known as the Green City. Prefecture-level city under the jurisdiction of the Guangxi Zhuang Autonomous Region, the capital, Ⅰ big city, the Beibu Gulf Economic Zone, the Pearl River - West River Economic Belt and the core city of the Beibu Gulf City Cluster.