Higher-or-Lower Quiz · Last updated: September 2026
How long are the great rivers of the world? The list runs from the Thames to the Nile. Tip: Europe’s rivers are mostly much shorter than the great rivers of Asia, Africa and the Americas.
This category contains 44 entries. The highest value in our list belongs to Nile (6,650), the lowest to Thames (346) – so the largest value is roughly 19 times the smallest. Values are given in: km long.
| Rank | Item | km long |
|---|---|---|
| 1 | Nile | 6,650 |
| 2 | Amazon | 6,400 |
| 3 | Yangtze | 6,300 |
| 4 | Yenisei | 5,539 |
| 5 | Paraná | 4,880 |
| 6 | Congo | 4,700 |
| 7 | Lena | 4,400 |
| 8 | Mekong | 4,350 |
| 9 | Niger | 4,180 |
| 10 | Mississippi | 3,730 |
| Rank | Item | km long |
|---|---|---|
| 35 | Oder | 866 |
| 36 | Rhône | 812 |
| 37 | Seine | 777 |
| 38 | Sacramento River | 715 |
| 39 | Po | 652 |
| 40 | Moselle | 544 |
| 41 | Main | 527 |
| 42 | Weser | 452 |
| 43 | Neckar | 362 |
| 44 | Thames | 346 |
All values are rounded approximations (as of 2024/25) meant for fun, not as a factual source.
Test your feel for these numbers in the game: pick the category and try to get 10 correct answers in 60 seconds.