| River of Khartoum | 17 |
| River of Kenya | 14 |
| River of Italy | 14 |
| River of Irkutsk | 16 |
| River of Ireland | 16 |
| River of Iraq | 13 |
| River of Inner Mongolia | 23 |
| River of India | 14 |
| River of Iberia | 15 |
| River of Hungary | 16 |
| River of Hesse | 14 |
| River of Hades with a ferry service | 35 |
| River of Hades | 14 |
| River of Grenoble, France | 25 |
| River of Grenoble | 17 |
| River of Greek mythology | 24 |
| River of Greece | 15 |
| River of Germany's steelmaking region | 41 |
| River of Germany's steel-making region | 42 |
| River of Germany | 16 |
| River of Frankfurt | 18 |
| River of France and Germany | 27 |
| River of France and Belgium | 27 |
| River of France | 15 |
| River of forgetfulness in Hades | 31 |
| River of forgetfulness | 22 |
| River of Florence | 17 |
| River of Flanders | 17 |
| River of Firenze | 16 |
| River of film | 13 |
| River of Europe, to Germans | 27 |
| River of Europe and Asia | 24 |
| River of Europe | 15 |
| River of England's East Midlands | 36 |
| River of England | 16 |
| River of Egypt | 14 |
| River of eastern Wales | 22 |
| River of eastern Germany | 24 |
| River of eastern France | 23 |
| River of Devon | 14 |
| River of Deutschland | 20 |
| River of decision | 17 |
| River of Czechoslovakia | 23 |
| River of Congo Republic | 23 |
| River of Colombia | 17 |
| River of Cologne | 16 |
| River of China | 14 |
| River of Chile | 14 |
| River of Charon | 15 |
| River of Champagne | 18 |
| River of central Italy, to locals | 33 |
| River of central Italy | 22 |
| River of central Germany | 24 |
| River of Central Europe | 23 |
| River of central England | 24 |
| River of central Asia | 21 |
| River of central Alberta | 24 |
| River of central Africa | 23 |
| River of Canada and U.S. | 24 |
| River of Canada | 15 |
| River of Calif. | 15 |
| River of Cairo | 14 |
| River of Brazil | 15 |
| River of Brandenburg | 20 |
| River of Bosnia and Herzegovina | 31 |
| River of Borneo | 15 |
| River of Bolivia | 16 |
| River of blues | 14 |
| River of Bern | 13 |
| River of Berlin | 15 |
| River of Belgium's West Flanders | 36 |
| River of Belgium | 16 |
| River of Avignon | 16 |
| River of Austria and Hungary | 28 |
| River of Austria | 16 |
| River of Asia | 13 |
| River of Armentières | 23 |
| River of Arles | 14 |
| River of Arizona | 16 |
| River of Aragon | 15 |
| River of Aragón | 22 |
| River of an Elizabethan William | 31 |
| River of Amiens | 15 |
| River of Albania | 16 |
| River of Alaska | 15 |
| River of Africa | 15 |
| River of "The Bard" | 29 |
| River of central Europe | 24 |
| River obstacle | 14 |
| River nymphs, in Greek myth | 27 |
| River nymphs | 12 |
| River nymph of Greek myth | 25 |
| River nymph | 11 |
| River notably crossed by Caesar | 31 |
| River near Zurich | 17 |
| River near York | 15 |
| River near Vicksburg | 20 |
| River near Valence | 18 |
| River near Ulm | 14 |
| River near Trier | 16 |