How many miles were the farthest southern part of the mongol empire?

The farthest southern part of the Mongol Empire extended into parts of present-day China, particularly reaching towards the southern provinces like Yunnan and Guangxi. This southern expansion covered approximately 1,500 miles from the Mongol heartland in Mongolia to its southernmost territories. The empire's influence also reached into other regions of Southeast Asia, but the primary southern extent is often considered to be within China.