There is a total of 11158 clues beginning with ri
- River through Kentucky, Pennsylvania, and West Virginia, among others
- River through Khartoum
- River through Khartoum and Cairo
- River through Kinshasa
- River through Köln
- River through La Paz
- River through La Rioja
- River through Lake Brienz
- River through Lake Geneva
- River through Lake Geneva
- River through Lake of Geneva
- River through Lake of the Ozarks
- River through Lake Thun
- River through Lake Thun
- River through Leeds
- River through Leningrad
- River through Limerick
- River through Liverpool and Manchester
- River through Logroño and Aragon
- River through Louisville
- River through Lower Saxony
- River through Luxor
- River through Lyon
- River through Lyons
- River through Mâcon
- River through Magnitogorsk
- River through Mali
- River through Melbourne in 11 Down
- River through Munich
- River through Myanmar
- River through Nebraska
- River through New Brunswick
- River through New Mexico
- River through New Mexico and Texas to the Rio Grande
- River through Newark, England
- River through Newcastle
- River through Normandy
- River through northern France
- River through Northern Ireland
- River through northern Spain
- River through northern Thailand
- River through Nottingham
- River through Nottingham, England
- River through Nubia
- River through Opole
- River through Orenburg
- River through Orléans
- River through Orsk
- River through Ottawa
- River through Pakistan
- River through Pakistan
- River through Paraguay and Argentina
- River through Paris
- River through Paris
- River through Perth Amboy, New Jersey
- River through Philadelphia
- River through Pisa
- River through Pittsburgh
- River through Pomerania
- River through Reno
- River through Richmond
- River through Rochester
- River through Rochester, NY
- River through Rochester, New York
- River through Rome
- River through Rugby
- River through Rugby and Warwick
- River through Rumania
- River through Russia
- River through Russia and Kazakhstan
- River through Saint Petersburg
- River through São Paulo
- River through Scotland and England
- River through Selby
- River through Seoul
- River through Siberia
- River through Silesia
- River through southern Arizona
- River through southern Russia
- River through Spain
- River through Spain and Portugal
- River through St Petersburg
- River through Stratford
- River through Stratford Ontario
- River through Sudan
- River through Suffern, New York
- River through Switzerland
- River through Tanzania
- River through the Alps
- River through the Ardennes
- River through The Broads
- River through the Carolinas
- River through the Champagne region of France
- River through the City of Light
- River through the Czech Republic
- River through the Czech Republic and Germany
- River through the Dollart
- River through the Downs
- River through the Forest of Ardennes
- River through the Lake of Geneva