There is a total of 97195 clues beginning with r
- 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
- River in Sweden
- River in Sweden
- River in Switzerland
- River in Switzerland and France
- River in Switzerland and southern France
- River in Switzerland
- River in Syoming
- River in Tasmania
- River in Tell's land
- River in Texas, 350 miles
- River in Texas, into the Colorado
- River in Texas
- River in Thailand
- River in the Alps
- River in the Belgian Congo
- River in the Berkshires
- River in the Bernese Alps
- River in the Carolinas
- River in the Carolinas
- River in the City of Lilies
- River in the Congo
- River in the D-Day invasion
- River in the domain of Kublai Khan
- River in the Garden of Eden
- River in the Highlands
- River in the lowlands
- River in the Netherlands
- River in the Netherlands
- River in the news since 1950
- River in the news
- River in the Pine Tree State
- River in the Punjab
- River in the Russian Federation
- River in the sea
- River in the south Urals
- River in the Tirol
- River in the title of a 1957 Alec Guinness film
- River in the title of Indiana's state song
- River in the Tyrol
- River in the USSR
- River in the Ukraine
- River in the Ukraine
- River in the Urals
- River in the Yukon
- River in Tibet and Burma
- River in Toledo
- River in Transylvania
- River in Tunisia
- River in Turkestan
- River in Turkey
- River in Turkey, flowing into the Euphrates
- River in Turkey
- River in Turkish Armenia
- River in Tuscany
- River in two African countries' names
- River in USSR
- River in USSR, 500 miles to the Dnieper
- River in Ukraine
- River in Ulster
- River in Ulster
- River in Umbria
- River in upstate New York
- River in Va