22.5 kilometers. The distance between Shijie Town and Tang Zhong Town No.4 Senior High School is 22.5 kilometers, and it can be reached by car 15 minutes. Dongguan No.4 Senior High School is located in the center of Tang Zhong Town, Dongguan City, Guangdong Province. The campus covers an area of 203 mu, with trees and elegant environment. It is a first-class school in Guangdong Province and a national green school.