There is a total of 97195 clues beginning with r
- River of western China
- River of Western Europe
- River of western Germany
- River of western Russia
- River of Westphalia
- River of Whirlpool Rapids
- River of Wien
- River of Wilson Dam
- River of Woe
- River of woe, in Greek myth
- River of Wroclaw
- River of Xanadu
- River of Xanadu
- River of Yakut
- River of Yakutsk
- River of Yakutsk
- River of York
- River of Yorkshire
- River of Yorkshire
- River of Yugoslavia
- River of Yugoslavia
- River of Yuma and Phoenix
- River of Zaire
- River of Zaragoza
- River offshoot
- River often paired with the Euphrates
- River on Argentine border
- River on Balkan invasion route
- River on Brazil's border
- River on Brazilian border
- River on Germany's eastern border
- River on Korea's northern border
- River on Manchurian border
- River on N boundary of Manchuria
- River on north boundary of Manchuria
- River on Paraguay's border
- River on Paraguay's boundary
- River on Polish-German border
- River on Soviet-Manchuria boundary
- River on Switzerland's border
- River on the Benin border
- River on the Brandenburg border
- River on The Broads
- River on the Canadian border
- River on the China/North Korea border
- River on the Chinese-Korean border
- River on the Korean border
- River on the North Korea/China border
- River on the Serbian border
- River on the Texas/Louisiana border
- River on which Breslau lies
- River on which Canton lies
- River on which Ciudad Bolivar is
- River on which Dixmude lies
- River on which Florence is situated
- River on which Frankfurt lies
- River on which is Prome
- River on which Krasnodar is
- River on which Murmansk is
- River on which Roosevelt Dam is
- River on which Rouen lies
- River on which Soissons lies
- River on which Yakutsk lies
- River on Zaire's boundary
- River or bay of New Jersey
- River or canal
- River or cartoonist
- River or city
- River or city in SD
- River or city of Maine
- River or dam in Germany
- River or dynasty
- River or dynasty name
- River or former English county
- River or goose
- River or Indian
- River or lake outing
- River or monster
- River or mountains
- River or province of Luzon
- River or range
- River or ravine: North Africa
- River or region in Europe
- River or reservoir in Hesse
- River or sea
- River or South
- River or state
- River or town in Ecuador
- River or town in Wash
- River or wine
- River origin
- River originating in Cantabria
- River originating in Manchuria
- River originating in Pittsburgh
- River originating in the Alps
- River originating in the Savoy Alps
- River originating near Winterberg
- River Ouse city
- River out of Pittsburgh
- River outlet