Which river is widely considered the longest in the world?
Which river is generally considered the second-longest in the world?
Which is the longest river in Asia?
Which river is the longest in North America?
Which river is the longest in South America?
Which river is the longest in Europe?
Which river is the longest in Africa?
Which river is the longest in Australia?
Which river is the longest in China?
Which river is the longest in India?
Which river is the longest river in Russia?
Which river is the longest in Southeast Asia?
Which river is the longest in Western Europe?
Which river is the longest in South Africa?
Which river is the longest in Canada?
Which river is the longest in France?
Which river is the longest in Spain?
Which river is the longest in Germany?
Which river is the longest in Italy?
Which river is the longest in the United Kingdom?
Which river is the longest in South America after the Amazon?
Which river is the longest in the Iberian Peninsula?
Which river is the longest in Kazakhstan?
Which river is the longest in Myanmar?
Which river is the longest in Vietnam?
Which river is the longest in Argentina?
Which river is the longest in Egypt?
Which river is the longest in Brazil?
Which river is the longest in Peru?
Which river is the longest in Ethiopia?