What is the longest river in the world?

Which river is thought to be the world's longest? Identify the world's longest river? Which river travels the furthest throughout the world? In terms of length, which river is the longest?What is the name of the longest river in the world? Which river has the longest course between its source and mouth? What is the name of the longest river in the world? Which river is the longest in the entire world?Which river is thought to be the longest in the world? Do you know which river is the longest in the entire world?In terms of total length, which river flows through the most kilometers?