There is a total of 11158 clues beginning with ri
- River in Northern Spain
- River in Northumberland
- River in Northumberland
- River in northwest China
- River in Northwest France
- River in northwest Germany
- River in Norway
- River in Norway
- River in NW Belgium
- River in NW England
- River in NW Europe
- River in NW France
- River in NW France
- River in NW Germany
- River in NW Greece
- River in NW Iran
- River in NW Spain
- River in NY and PA
- River in Ontario
- River in Orenburg gov't, USSR
- River in Pakistan
- River in Pakistan
- River in Palestine
- River in path of Russian drive
- River in Pennsylvania and New York, flows into Lake Ontario
- River in Pennsylvania
- River in Persia
- River in Peru
- River in Peru
- River in Picardy
- River in Pisa
- River in Pittsburgh
- River in Poland
- River in Poland, 280 miles to Vistula
- River in Poland, to Germans
- River in Poland, tributary of the Bug
- River in Poland
- River in Portugal
- River in Portugal
- River in Prussia, 160 miles to North Sea
- River in Prussia, 275 miles to the Warta
- River in Prussia
- River in puzzles
- River in Quebec
- River in Romania
- River in RSFSR
- River in Rumania
- River in Russia
- River in Russia and Kazakhstan
- River in Russia
- River in Russian Turkestan
- River in Rwanda
- River in S France
- River in S C
- River in S E France
- River in S E Russia, 400 mi to Don
- River in Scotland
- River in Scotland, tributary to the Tweed
- River in Scotland
- River in SE China
- River in SE Eire
- River in SE France
- River in SE France
- River in Siam
- River in Siberia
- River in Siberia, 2,950 miles long
- River in Siberia, 300 miles to the Tobol
- River in Siberia
- River in Siegfried's itinerary: Var
- River in Sinkiang Province, China
- River in Sinkiang, China
- River in Sinkiang, flowing 800 mi to Lake Balkhash
- River in Somaliland, 1,000 miles to Indian Ocean
- River in some Renoir paintings
- River in Somerset and Devon
- River in Somersetshire
- River in South Africa
- River in South Africa
- River in South Carolina
- River in South Korea
- River in south of France
- River in South Russia
- River in Southeast France
- River in southern Alberta
- River in southwest Asia
- River in southwestern France
- River in Spain
- River in Spain and Portugal
- River in Spain and Portugal
- River in Spain, flowing into Mediterranean
- River in Spain, into the Mediterranean
- River in Spain
- River in Stephen Foster's "Old Folks at Home"
- River in Styria
- River in Sudan
- River in Surrey
- River in Sussex
- River in SW Asia
- River in SW England
- River in SW Maine