Rivers going through at least 2 World Capitals

Find rivers that go through more than 1 World Capital and list those capitals, too.
Based on this link
Rivers are shown in the first row, sorted alphabetically from left to right
Under each river, capital cities are sorted in alphabetical order
Quiz by scambigol
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Last updated: October 27, 2015
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First submittedOctober 27, 2015
Times taken112
Average score66.7%
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Congo
Danube
Mekong
Niger
Nile
Río de la Plata
Brazzaville
Belgrade
Phnom Penh
Bamako
Cairo
Buenos Aires
Kinshasa
Bratislava
Vientiane
Niamey
Juba
Montevideo
 
Budapest
 
 
Khartoum
 
 
Vienna
 
 
 
 
+1
Level 82
Oct 27, 2015
Cool quiz. Only missed the Rio de Plata.
+1
Level 85
Oct 27, 2015
According to Wikipedia, the Rio de la Plata is 137 miles wide. That's some river!
+1
Level 77
Nov 24, 2016
You can add Sava River.
+1
Level 77
Nov 25, 2016
It goes through Zagreb, Belgrade and Ljubljana (maybe suburb, I am not sure)
+1
Level 80
Oct 5, 2017
Checks out. At a minimum, it goes through Zagreb and Belgrade.