There is a total of 97195 clues beginning with r
- River of southern Kazakhstan
- River of Southwest
- River of southwest England
- River of Spain
- River of Spain and Portugal
- River of Spain collector
- River of Spain, c 575 miles
- River of Spain
- River of Spain?
- River of Spanish War fame
- River of St Petersburg
- River of Strathclyde
- River of Sudan
- River of Sumatra
- River of Sussex
- River of SW England
- River of SW France
- River of Sweden
- River of Sweden
- River of Switzerland
- River of Switzerland and France
- River of Switzerland
- River of Syria
- River of Tasmania
- River of Thailand
- River of Thailand or a literary twin
- River of the "Left Bank"
- River of the Argonne
- River of the Argonne
- River of the Bard
- River of the Belgian Congo
- River of the Black Forest
- River of the Carolinas
- River of the Carolinas
- River of the Congo
- River of the Congo
- River of the Coolidge Dam
- River of the Eternal City
- River of the Fertile Crescent
- River of the Great Falls
- River of the Great Falls
- River of the Korean War
- River of the Left Bank
- River of the Left Bank
- River of the Lorelei
- River of the Lorelei
- River of the Low Countries
- River of the lower world
- River of the lowest regions
- River of the movies
- River of the Northwest
- River of the Northwest
- River of the Old World
- River of the Pont Neuf
- River of the Ponte Vecchio
- River of the Punjab
- River of the Pyrenees
- River of the Roosevelt Dam
- River of the Rove Tunnel
- River of the Shoshone Falls
- River of the South
- River of the Southwest
- River of the Southwest
- River of the Ukraine
- River of the Ukraine
- River of the underworld
- River of the underworld, in myth
- River of the wetbacks
- River of the Yukon
- River of Thrace
- River of Tibet, Kashmir and Pakistan
- River of Tiny Tim's town
- River of Tours
- River of Troyes
- River of Turkey
- River of Tuscany
- River of Tuscany
- River of Twin Falls
- River of two colors
- River of U S–Canada border
- River of Ukraine
- River of Ukraine
- River of Venetia, Italy
- River of Venetia
- River of Venezuela
- River of Venezuela
- River of Victoria Falls
- River of Vietnam
- River of Virginia, 450 miles to Chesapeake Bay
- River of Virginia
- River of W W I
- River of WW I
- River of WW I battle
- River of WW I note
- River of Wagner's "Ring"
- River of Wales
- River of Wales and England
- River of Wales
- River of west Africa
- River of West Africa