According to the information displayed on Baidu map, the specific driving routes are: via Chengdu-Chongqing Expressway and Chongqing-Chengdu Expressway; The distance is 312.9 km; It takes 3 hours and 39 minutes to get there.
The routes that you can also drive are: via: Chengdu-Chongqing Expressway and Chengdu-Chongqing Ring Expressway; The distance is 314.7 km; It takes 3 hours and 43 minutes to get there.