Is it better to take the long-deep expressway route from Dalian to Beijing or Beijing-Harbin?

The Jingha Expressway is ready. According to Baidu map, it takes 856.2km to take Shen Chang Expressway from Dalian to Beijing, and 802km to take Jingha Expressway. The short distance is faster, and it is better for Dalian to go to Beijing by Beijing-Harbin Expressway. Dalian, also known as Bincheng and Romantic City, is a prefecture-level city, a sub-provincial city and a city with separate plans under the jurisdiction of Liaoning Province.