About 29 hours. According to Baidu map query, it takes about 29 hours to drive from Douzhangzhuang, wuqing district, Tianjin to Dongfang Longwan, Wenchang, Hainan, and the whole journey is about 2,696.9 kilometers, passing through Daguang Expressway and Guangxu Expressway.
You can also drive through Guangxu Expressway and Baomao Expressway, which takes about 40 hours and the whole journey is about 2624438+0 km.