| River that the Ilek joins in Kazakhstan | 39 |
| River that turns west at Orsk | 29 |
| River that was notably crossed on Christmas 1776 | 48 |
| River that was the ancient dividing line between Rome and Carthage | 66 |
| River that was the scene of WWI fighting | 40 |
| River that's more than 4,000 miles long | 43 |
| River that's the site of Javert's demise in "Les Misérables" | 81 |
| River the Aswan Dam dams | 24 |
| River through Alaska | 20 |
| River through Ann Arbor | 23 |
| River through Aragon | 20 |
| River through Arles | 19 |
| River through Atyrau, Kazakhstan | 32 |
| River through Avignon | 21 |
| River through Battenberg, Germany | 33 |
| River through Bavaria | 21 |
| River through Beijing | 21 |
| River through Belgium | 21 |
| River through Berlin | 20 |
| River through Bern | 18 |
| River through Berne | 19 |
| River through Bismarck | 22 |
| River through British Columbia | 30 |
| River through Budapest | 22 |
| River through Cairo | 19 |
| River through Carlsbad | 22 |
| River through Castile and León | 33 |
| River through Catalonia | 23 |
| River through central Africa | 28 |
| River through central Germany | 29 |
| River through Cologne | 21 |
| River through Deutschland | 25 |
| River through Devon | 19 |
| River through Dresden | 21 |
| River through Egypt | 19 |
| River through Fargo or Hanoi | 28 |
| River through Firenze | 21 |
| River through Flanders | 22 |
| River through Florence | 22 |
| River through four world capitals | 33 |
| River through France | 20 |
| River through France and Belgium | 32 |
| River through Frankfurt | 23 |
| River through Germany | 21 |
| River through Glasgow | 21 |
| River through Grenoble | 22 |
| River through Hades | 19 |
| River through Hamburg | 21 |
| River through Hesse | 19 |
| River through Hesse, Germany | 28 |
| River through Idaho | 19 |
| River through Indiana | 21 |
| River through Interlaken | 24 |
| River through Iraq | 18 |
| River through Kashmir | 21 |
| River through Kazakhstan | 24 |
| River through Köln | 21 |
| River through Kentucky, Pennsylvania, and West Virginia, among others | 69 |
| River through Kinshasa | 22 |
| River through La Paz | 20 |
| River through La Rioja | 22 |
| River through Lake Brienz | 25 |
| River through Lake Geneva | 25 |
| River through Lake of the Ozarks | 32 |
| River through Lake Thun | 23 |
| River through Leeds | 19 |
| River through Limerick | 22 |
| River through Logroño and Aragon | 35 |
| River through Louisville | 24 |
| River through Lyon | 18 |
| River through Lyons | 19 |
| River through Magnitogorsk | 26 |
| River through Mali | 18 |
| River through Mâcon | 22 |
| River through Mülheim and Dortmund | 37 |
| River through Nantes | 20 |
| River through Nebraska | 22 |
| River through New Mexico | 24 |
| River through Newark, England | 29 |
| River through Normandy | 22 |
| River through northern France | 29 |
| River through Northern Ireland | 30 |
| River through northern Thailand | 31 |
| River through Nottingham | 24 |
| River through Nubia | 19 |
| River through Opole | 19 |
| River through Orsk | 18 |
| River through Ottawa | 20 |
| River through Pakistan | 22 |
| River through Paris | 19 |
| River through Philadelphia | 26 |
| River through Pisa | 18 |
| River through Pittsburgh | 24 |
| River through Pomerania | 23 |
| River through Richmond | 22 |
| River through Rochester | 23 |
| River through Rochester, N.Y. | 29 |
| River through Rome | 18 |
| River through Rouen | 19 |
| River through Rugby and Warwick | 31 |