| Length (km) | River | % Correct |
|---|---|---|
| 1,075 | Danube | 99%
|
| 615 | Olt | 90%
|
| 761 | Mureș | 84%
|
| 742 | Prut | 82%
|
| 286 | Dâmbovița | 73%
|
| 559 | Siret | 72%
|
| 376 | Someș | 62%
|
| 417 | Ialomița | 60%
|
| 339 | Jiu | 59%
|
| 350 | Argeș | 54%
|
| 244 | Timiș | 51%
|
| 170 | Bega | 49%
|
| 283 | Bistrița | 46%
|
| 234 | Crișul Alb | 43%
|
| 193 | Prahova | 37%
|
| 223 | Târnava Mare | 33%
|
| 302 | Buzău | 32%
|
| 196 | Târnava Mică | 30%
|
| 207 | Bârlad | 28%
|
| 213 | Moldova | 27%
|
| 173 | Suceava | 27%
|
| 178 | Someșul Mic | 23%
|
| 275 | Jijia | 18%
|
| 224 | Vedea | 14%
|
| 185 | Olteț | 12%
|
| 186 | Neajlov | 5%
|