Answer:
The longest river in the world is the Nile River (4,157 miles long); it is located in northeastern Africa, and flows into the Mediterranean Sea. The second-longest river is the Amazon River (3,915 miles long); it is located in northeastern South America, and flows into the Atlantic Ocean. The third-longest river is the Chang (Yangtse) River (3,434 miles long); it flows across south-central China and into the East China Sea.
The river with the biggest volume (the most water flowing in it) is the Amazon River.