Which toll station should I get off from when Guangzhou returns to Hengyang, Hunan?

Guangzhou will return to Hengyang, Hunan, and get off at the Yanfeng Toll Station of Quannan Expressway. From Yanfeng toll station, you can get off the expressway directly to the urban area, with the shortest distance. The specific routes are: S4 1 Airport Expressway, G45 Daguang Expressway, G0423 Leguang Expressway, S 1 Guanglian Expressway, D042 1 Guangxu Expressway and G72 Quannan Expressway. The whole journey is 497 kilometers, and it is estimated to take about 5 hours and 03 minutes.