10 Rios mais longos do Mundo

10 Longest Rivers in the World
The Nile is usually said to be the longest river in the world, with a length of about 6,650 km, and the Amazon the second longest, with a length of at least 6,400 km. In recent decades debate has intensified over the true source and therefore the length of the Amazon River. Brazilian and Peruvian Studies in 2007 and 2008 added the waterway from the Amazon's southern outlet through tidal canals and the Pará estuary of the Tocantins and then concluded that the Amazon has a length of 6,992 km and was longer than the Nile, whose length was calculated as 6,853 km. However, as of 2010 the length of both rivers remains open to interpretation and continued debate.

1. Nile - Kagera (Africa)

Nile watershed topo
Length (km)  6,650km (6,853)
Length (miles) 4,132 (4,258)

Outflow: Mediterranean Sea
Countries: Ethiopia, Eritrea, Sudan, Uganda, Tanzania, Kenya, Rwanda, Burundi, Egypt, Democratic Republic of the Congo, South Sudan

2. Amazon - Ucayali - Apurímac (South America)
Amazon river
Length (km)  6,400 (6,992)
Length (miles) 3,976 (4,345)
Outflow: Atlantic Ocean
Countries: Brazil, Peru, Bolivia, Colombia, Ecuador, Venezuela, Guyana


3. Yangtze - (Chang Jiang) (Asia)
Three gorges
Length (km) 6,300 (6,418) 
Length (miles) 3,917 (3,988)
Outflow: East China Sea
Countries: China

4. Mississippi - Missouri - Jefferson (North America)
Mississippirivermapnew
Length (km)  6,275
Length (miles) 3,902
Outflow: Gulf of Mexico
Countries: United States (98.5%), Canada (1.5%)

5. Yenisei - Angara–Selenge (Asia)
Yeniseiriver
Length (km)  5,539
Length (miles) 3,445
Outflow: Kara Sea 
Countries: Russia (97%), Mongolia (2.9%)

6. Yellow River - (Huang He) (Asia)
Yellow river
Length (km)  5,464
Length (miles) 3,395
Outflow:  Bohai Sea 
Countries: China

7. Ob - Irtysh (Asia)
Ob watershed
Length (km)  5,410 
Length (miles) 3,364
Outflow: Gulf of Ob 
Countries: Russia, Kazakhstan, China, Mongolia

8. Paraná - Río de la Plata (South America)
Rio de la plata
Length (km)  4,880
Length (miles) 3,030
Outflow:  Rio de la Plata/Atlantic Ocean 
Countries: Brazil (46.7%), Argentina (27.7%), Paraguay (13.5%), Bolivia (8.3%), Uruguay (3.8%)

9. Congo - Chambeshi (Zaïre) (Africa)
Congo Lualaba watershed
Length (km)  4,700
Length (miles) 2,922
Outflow: Atlantic Ocean 
Countries: Democratic Republic of the Congo, Central African Republic, Angola, Republic of the Congo, Tanzania, Cameroon, Zambia, Burundi, Rwanda

10. Amur - Argun (Heilong Jiang) (Asia)
Amur river
Length (km)  4,444 
Length (miles) 2,763 
Outflow: Sea of Okhotsk 
Countries: Russia, China, Mongolia
Source: wikipedia.org

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