Countries and their longest River
Hungary
Tisza
Central African Republic
Ubangi
Peru
Ucayali
Uruguay
Uruguay
Slovakia
Vah
Samoa
Vaisigano
Serbia
Valika Morava
Macedonia
Vardar
Uganda
Victoria Nile
Poland
Vistula
Czech Republic
Vltava
Ghana
Volta
Libya
Wadi Bayy al Kabir
Oman
Wadi Bin Khawtar
Yemen
Wadi al Masilah
Kuwait
Wadi al batin
Saudi Arabia
Wadi al-Rummah
New Zealand
Waikato
Kosovo
White Drin
South Sudan
White Nile
China
Yangtze
Dominican Republic
Yaque del Norte
Mozambique
Zambezi
Zambia
Zambezi
Zimbabwe
Zambezi
Taiwan
Zhuoshui
Iceland
pjorsa
Israel
Jordan
Jordan
Jordan
Palestine
Jordan
Rwanda
Kagera
Singapore
Kallang
Indonesia
Kapuas
Nepal
Karnali
Iran
Karun
Angola
Kasai
Finland
Kemijoki
Turkey
Kizilirmak
Sweden
Klaralven
Azerbaijan
Kur
Georgia
Kura
Timor-Leste
Laclo
Dominica
Layou
El Salvador
Lempa
Russia
Lena
Botswana
Limpopo
Lebanon
Litani
Chile
Loa
France
Loire
Canada
Mackenzie
Colombia
Magdalena
Sri Lanka
Mahaweli
Bolivia
Mamore
Bhutan
Manas
Swaziland
Maputo
Equatorial Guinea
Mbini
Tunisia
Medjerda
Cambodia
Mekong
Laos
Mekong
Thailand
Mekong
Netherlands
Meuse
Jamaica
Minho
United States
Missouri
Togo
Mono
Guatemala
Motagua
Australia
Murray
South Korea
Nakdong
Kyrgyzstan
Naryn
Lithuania
Neman
Palau
Ngeremeskang
Guinea
Niger
Mali
Niger
Niger
Niger
Nigeria
Niger
Egypt
Nile
Sudan
Nile
Moldova
Nistru
Gabon
Ogooue
Lesotho
Orange
South Africa
Orange
Venezuela
Orinoco
Mongolia
Orkhon
Benin
Oueme
Tajikistan
Panj
Argentina
Parana
Paraguay
Parana
Estonia
Parnu
Honduras
Patuca
Cyprus
Pedieos
Italy
Po
Ecuador
Putu-mayo
Malaysia
Rajang
Vietnam
Red
Fiji
Rewa
Germany
Rhine
Liechtenstein
Rhine
Switzerland
Rhine
Mexico
Rio Bravo
Sierra Leone
Rokel
St. Lucia
Roseau
Burundi
Rusizi
Tanzania
Ruvuma
Grenada
Saint Johns
Costa Rica
San Juan
Cameroon
Sanaga
Luxembourg
Sauer
Bosnia and Herzegovina
Sava
Croatia
Sava
Slovenia
Sava
Belgium
Scheldt
Mauritania
Senegal
Senegal
Senegal
Papua New Guinea
Sepik
United Kingdom
Severn
Ireland
Shannon
Somalia
Shebelle
Japan
Shinano
Malawi
Shire
Portugal
Tagus
Kenya
Tana
Montenegro
Tara
Eritrea
Tekeze
Brunei
Belait
Belize
Belize
Madagascar
Betsiboka
Burkina Faso
Black Volta
Ethiopia
Blue Nile
Bangladesh
Brahmaputra
Philippines
Cagayan
Trinidad and Tobago
Caroni
Cuba
Cauto
Liberia
Cavalla
Chad
Chari
Algeria
Chelif
Panama
Chucunaque
Nicaragua
Coco
St. Vincent and the Grenadines
Colonarie
Republic of the Congo
Congo
Democratic Republic of Congo
Congo/Lualaba
Barbados
Constitution
Sao Tome and Principe
Contador
Suriname
Courantyne
Austria
Danube
Bulgaria
Danube
Romania
Danube
Latvia
Daugava
Belarus
Dnieper
Ukraine
Dnieper
Morocco
Draa
Albania
Drin
Spain
Ebro
Guyana
Essequibo
Iraq
Euphrates
Syria
Euphrates
Namibia
Fish
San Marino
Fiumicello
Gambia
Gambia
India
Ganges
Guinea-Bissau
Geba
Norway
Glomma
Andorra
Gran Valira
Mauritius
Grand Southeast
Denmark
Gudena
Greece
Haliacmon
Afghanistan
Helmand
Pakistan
Indus
Myanmar
Irrawaddy
Kazakhstan
Irtysh
Brazil
Amazon
North Korea
Amnok
Turkmenistan
Amu Darya
Uzbekistan
Amu Darya
Armenia
Araks
Haiti
Artibonite
Cote D'ivoire
Bandama