The Yangtze River is 6,387 kilometers long.

The Yangtze River originates from the southwest side of the Geladandong Peak of the Tanggula Mountains on the Qinghai-Tibet Plateau, the "Roof of the World". The main stream flows through Qinghai Province, Tibet Autonomous Region, Sichuan Province, Yunnan Province, Chongqing City, Hubei Province, Hunan Province, Jiangxi Province, Anhui Province, Jiangsu Province, and Shanghai City, and flows into the East China Sea east of Chongming Island. Among the world's major rivers, its length is second only to the Nile River in Africa and the Amazon River in South America, ranking third in the world.

6,397 kilometers. The Yangtze River is the largest river in China, with a total length of 6,397 kilometers (with the Tuotuo River as its source), generally known as 6,300 kilometers. The total area of ​​the basin is more than 1.8 million square kilometers, and the average annual amount of water entering the sea is about 960 billion cubic meters. In terms of the length of the main stream and the amount of water entering the sea, the Yangtze River ranks third in the world.