| Length (Miles) | River | Country | % Correct |
|---|---|---|---|
| 3,977 mi | Amazon | BrazilPeru Colombia Venezuela Ecuador Bolivia Suriname France (French Guiana) | 100%
|
| 4,132 mi | Nile | TanzaniaUganda the Democratic Republic of the Congo Rwanda Burundi Ethiopia Kenya Eritrea South Sudan Sudan Egypt | 100%
|
| 2,340 mi | Mississippi | United States | 88%
|
| 3,395 mi | Yellow | China | 88%
|
| 2,920 mi | Congo | Democratic Republic of the CongoCameroon Central African Republic Burundi Tanzania Zambia Angola | 83%
|
| 3,915 mi | Yangtze | China | 83%
|
| 2,341 mi | Missouri | United States | 71%
|
| 2,299 mi | Ob | RussiaKazakhstan China Mongolia | 48%
|
| 3,032 mi | Parana | BrazilParaguay Argentina | 33%
|
| 2,640 mi | Irtysh | RussiaChina Kazakhstan | 14%
|