The world's longest rivers ranked by length, with continent, country, drainage area, and outflow destination.
River | Continent | Country | Length (km) | Drainage Area (km2) | Outflow |
|---|---|---|---|---|---|
| Nile | Africa | Egypt / Sudan / Uganda / Ethiopia | 6650 | 3400000 | Mediterranean Sea |
| Amazon | South America | Brazil / Peru / Colombia | 6400 | 7000000 | Atlantic Ocean |
| Yangtze | Asia | China | 6300 | 1800000 | East China Sea |
| Mississippi-Missouri | North America | United States | 6275 | 3220000 | Gulf of Mexico |
| Yenisei | Asia | Russia | 5539 | 2580000 | Kara Sea |
| Yellow (Huang He) | Asia | China | 5464 | 745000 | Bohai Sea |
| Ob-Irtysh | Asia | Russia / Kazakhstan | 5410 | 2990000 | Gulf of Ob |
| Congo | Africa | Democratic Republic of Congo | 4700 | 3680000 | Atlantic Ocean |
| Amur | Asia | Russia / China | 4444 | 1855000 | Sea of Okhotsk |
| Lena | Asia | Russia | 4400 | 2490000 | Laptev Sea |
| Mekong | Asia | China / Myanmar / Laos / Thailand / Cambodia / Vietnam | 4350 | 795000 | South China Sea |
| Mackenzie | North America | Canada | 4241 | 1790000 | Beaufort Sea |
| Niger | Africa | Guinea / Mali / Niger / Nigeria | 4200 | 2090000 | Gulf of Guinea |
| Murray-Darling | Oceania | Australia | 3672 | 1061000 | Southern Ocean |
| Tocantins | South America | Brazil | 2850 | 767000 | Atlantic Ocean |
| Volga | Europe | Russia | 3692 | 1380000 | Caspian Sea |
| Danube | Europe | Germany / Austria / Hungary / Romania / Serbia | 2860 | 817000 | Black Sea |
| Indus | Asia | Pakistan / India / China | 3180 | 1165000 | Arabian Sea |
| Brahmaputra | Asia | China / India / Bangladesh | 2900 | 712000 | Bay of Bengal |
| Ganges | Asia | India / Bangladesh | 2525 | 907000 | Bay of Bengal |
| Euphrates | Asia | Turkey / Syria / Iraq | 2800 | 444000 | Persian Gulf |
| Zambezi | Africa | Zambia / Zimbabwe / Mozambique | 2574 | 1390000 | Indian Ocean |
| Paraguay | South America | Brazil / Bolivia / Paraguay / Argentina | 2549 | 1095000 | Paraná River |
| Colorado | North America | United States | 2330 | 629000 | Gulf of California |
| Columbia | North America | United States / Canada | 2000 | 668000 | Pacific Ocean |
| Rhine | Europe | Switzerland / Germany / Netherlands | 1230 | 185000 | North Sea |
| Thames | Europe | United Kingdom | 346 | 13000 | North Sea |