World's 50 Longest Rivers

Try to name the 50 longest rivers in the world! I have tried to include various names that the rivers may be known by in different areas. Data sourced from: http://en.wikipedia.org/wiki/List_of_rivers_by_length

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Last updated: May 5, 2019

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First submitted	January 18, 2015
Times taken	660
Average score	56.0%
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#	River Name	Length in km	Countries in its drainage basin
1	Nile – Kagera	6,650	Ethiopia, Eritrea, Sudan, Uganda, Tanzania, Kenya, Rwanda, Burundi, Egypt, Democratic Republic of the Congo, South Sudan
2	Amazon – Ucayali – Apurímac	6,400	Brazil, Peru, Bolivia, Colombia, Ecuador, Venezuela, Guyana
3	Yangtze (Chang Jiang)	6,300	China
4	Mississippi–Missouri–Jefferson	6,275	United States (98.5%), Canada (1.5%)
5	Yenisei–Angara–Selenge	5,539	Russia (97%), Mongolia (2.9%)
6	Yellow River (Huang He)	5,464	China
7	Ob–Irtysh	5,410	Russia, Kazakhstan, China, Mongolia
8	Paraná – Río de la Plata	4,880	Brazil, Argentina, Paraguay, Bolivia, Uruguay
9	Congo–Chambeshi (Zaïre)	4,700	Democratic Republic of the Congo, Central African Republic, Angola, Republic of the Congo, Tanzania, Cameroon, Zambia, Burundi, Rwanda
10	Amur–Argun (Heilong Jiang)	4,444	Russia, China, Mongolia
11	Lena	4,400	Russia
12	Mekong (Lancang Jiang)	4,350	China, Myanmar, Laos, Thailand, Cambodia, Vietnam
13	Mackenzie–Slave–Peace–Finlay	4,241	Canada
14	Niger	4,200	Nigeria, Mali, Niger, Algeria, Guinea, Cameroon, Burkina Faso, Côte d'Ivoire, Benin, Chad
15	Murray–Darling	3,672	Australia
16	Tocantins–Araguaia	3,650	Brazil
17	Volga	3,645	Russia
18	Shatt al-Arab – Euphrates	3,596	Iraq, Turkey, Syria
19	Madeira–Mamoré–Grande–Caine–Rocha	3,380	Brazil, Bolivia, Peru
20	Purús	3,211	Brazil, Peru
21	Yukon	3,185	United States, Canada
22	Indus	3,180	Pakistan (93%), India, China
23	São Francisco	3,180	Brazil
24	Syr Darya – Naryn	3,078	Kazakhstan, Kyrgyzstan, Uzbekistan, Tajikistan
25	Salween (Nu Jiang)	3,060	China, Myanmar, Thailand
26	Saint Lawrence – Niagara – Detroit –Saint Clair – Saint Marys – Saint Louis	3,058	Canada, United States
27	Rio Grande	3,057	United States, Mexico
28	Lower Tunguska	2,989	Russia
29	Brahmaputra–Tsangpo	2,948	India, China, Nepal, Bangladesh, Bhutan
30	Danube–Breg (Duna)	2,888	Romania, Hungary, Austria, Serbia, Germany, Slovakia, Bulgaria, Croatia
31	Zambezi (Zambesi)	2,693	Zambia, Angola, Zimbabwe, Mozambique, Malawi, Tanzania, Namibia, Botswana
32	Vilyuy	2,650	Russia
33	Araguaia	2,627	Brazil
34	Ganges–Hooghly–Padma (Ganga)	2,620	India, Bangladesh, Nepal, China
35	Amu Darya -- Panj	2,620	Uzbekistan, Turkmenistan, Tajikistan, Afghanistan
36	Japurá (Rio Yapurá)	2,615	Brazil, Colombia
37	Nelson–Saskatchewan	2,570	Canada, United States
38	Paraguay (Rio Paraguay)	2,549	Brazil, Paraguay, Bolivia, Argentina
39	Kolyma	2,513	Russia
40	Pilcomayo	2,500	Paraguay, Argentina, Bolivia
41	Upper Ob -- Katun	2,490	Russia
42	Ishim	2,450	Kazakhstan, Russia
43	Juruá	2,410	Peru, Brazil
44	Ural	2,428	Russia, Kazakhstan
45	Arkansas	2,348	United States
46	Colorado (western U.S.)	2,333	United States, Mexico
47	Olenyok	2,292	Russia
48	Dnieper	2,287	Russia, Belarus, Ukraine
49	Aldan	2,273	Russia
50	Ubangi–Uele	2,270	Democratic Republic of the Congo, Central African Republic, Republic of Congo

Level 85

Jan 19, 2015

Shouldn't "St Lawrence" work?

Level 71

Jan 20, 2015

agreed, however, I did spell 'saint' when the other was not accepted. But maps have it with the 'st'

Level 84

Jan 20, 2015

Good catch, I've updated so that "St" will work with all the various names of that particular river.

Level 65

Jan 19, 2015

nice quiz! Very difficult for spelling though...tried many versions of many names without luck, but hey, that's the challenge!

Level 77

Oct 8, 2018

Good quiz. Can I suggest that the word Rio (which means river) should not be required, just as "river" itself isn't? Also I was surprised that the Orinoco didn't make the list. Is it not long enough?

Level 84

Oct 10, 2018

Fair enough! It's already the case on some, but I made it work on the rest as well. And the Orinoco River, according to Wikipedia, is 2,140km, so just a bit shy of the top 50!

Level 39

Jun 16, 2021

We are at the same quizmaker rank.