| 1 |
Oder: Germany and Poland |
95641 |
| 2 |
Danube: Romania and Bulgaria |
54556 |
| 3 |
Sava: Croatia and Serbia |
23632 |
| 4 |
Rhine: Switzerland and Liechtenstein |
6339 |
| 5 |
Indus River: India and Pakistan |
3449 |
| 6 |
Colorado River (Arizona-Sonora): United States and Mexico |
3340 |
| 7 |
Rio Grande: United States and Mexico |
3277 |
| 8 |
Jordan River: Israel and Jordan |
1617 |
| 9 |
Brahmaputra River: India, Bangladesh and China |
1567 |
| 10 |
Amur River: People's Republic of China and Russia |
940 |
| 11 |
Niagara River: United States and Canada |
694 |
| 12 |
Tisza: Hungary and Ukraine |
608 |
| 13 |
Moselle: Germany and Luxembourg |
525 |
| 14 |
Detroit River: United States and Canada |
513 |
| 15 |
Drava: Croatia and Hungary |
457 |
| 16 |
Meuse: Belgium and The Netherlands |
455 |
| 17 |
Yalu River: North Korea and People's Republic of China |
407 |
| 18 |
Neman River: Kaliningrad Oblast and Lithuania |
339 |
| 19 |
St. Clair River: United States and Canada |
244 |
| 20 |
Guadiana: Portugal and Spain |
175 |
| 21 |
St. John River: United States and Canada |
169 |
| 22 |
Lusatian Neisse: Germany and Poland |
125 |
| 23 |
Usumacinta River: Mexico and Guatemala |
123 |
| 24 |
Torne: Sweden and Finland |
114 |
| 25 |
Minho: Portugal and Spain |
97 |
| 26 |
San Juan River: Nicaragua and Costa Rica |
87 |
| 27 |
Narva: Estonia and Russia |
74 |
| 28 |
Hondo River (Belize): Mexico and Belize |
49 |
| 29 |
Paatsjoki (Pasvikelva): Norway and Russia |
30 |
| 30 |
Rainy River: United States and Canada |
30 |
| 31 |
Tana River (Norway): Finland and Norway |
28 |
| 32 |
Khabur (Tigris): Iraq and Turkey |
24 |
| 33 |
Pigeon River: United States and Canada |
16 |
| 34 |
Saint Francis River (Maine-New Brunswick): United States and Canada |
15 |
| 35 |
Sarstoon River: Guatemala and Belize |
14 |
| 36 |
Halls Stream: United States and Canada |
11 |
| 37 |
Grense Jakobselv: Norway and Russia |
10 |
| 38 |
Sava: Bosnia and Croatia |
10 |
| 39 |
Monument Creek: United States and Canada |
< 5 |
| 40 |
St. Croix River (Maine-New Brunswick): United States and Canada |
< 5 |
| 41 |
Ganges River: India and Bangladesh |
< 5 |
| 42 |
St. Lawrence River: United States and Canada |
< 5 |
| 43 |
St. Marys River (Michigan-Ontario): United States and Canada |
< 5 |