Only one, China. It used to be two, with Tibet being the other country.
River de Panoteras.
The yangtze river flows through Shanghai, Nanjing, Wuhan and Chong qing. The source of the river are the Tanggula mountains and the mouth is shanghai and jiangsu
The Seine river runs only in France. See link for map.
it passesPanzhihuaYibinLuzhouChongqingFengduYichangJingzhouShashiShishouYueyangXianningWuhanEzhouHuangshiHuanggangChaohuChizhouJiujiangAnqingTonglingWuhuHefeiChuzhouMa'anshanTaizhouYangzhouZhenjiangNanjingJiangyinNantongShanghai
Yangtze River.
Yellow River and Yangtze
The Yangzte River has many cities that run along it. Three of these cities are Yibin, Zhenjiang, and Nantong.
Two great rivers run through China Proper: the Yellow River in the north, and the Yangtze (or Yangzi ) River to the south.
The Yangtze River runs through China, where it is the longest river in Asia and the third longest in the world. It flows from the Tibetan Plateau in the west to the East China Sea in the east, traversing several provinces and regions along its course. The river plays a crucial role in China's culture, economy, and ecology.
The Black River is in the United States, it runs through no other countries.
Canada
Russia