About 670 kilometers. According to the map, Liping County is about 670 kilometers away from Southwest University, and it takes about 8 hours to drive through Yanrong Expressway and Bai Yin Expressway. Liping County belongs to Qiandongnan Miao and Dong Autonomous Prefecture of Guizhou Province, which is located in the southeast of Guizhou Province and the south of Qiandongnan Prefecture. The total area is 444 1 km2. Southwest University is a key comprehensive university directly under the Ministry of Education, which is jointly established by the Ministry of Education, the Ministry of Agriculture and Rural Affairs and Chongqing Municipality. It is the first batch of "world-class discipline construction universities", the national "21project" and "985 engineering advantage discipline innovation platform", and the member universities of "double first-class" agricultural alliance.