TREBEL
| 6 |
TRESA
| 5 |
TREZA
| 5 |
TRIONTO
| 7 |
TRUEBAU
| 7 |
TSCHUSSOWAJA
| 12 |
TUNDZA
| 6 |
UMEAELF
| 7 |
USLAWA
| 6 |
VECHT
| 5 |
VECHTE
| 6 |
VERDON
| 6 |
VEZERE
| 6 |
VISP
| 4 |
VJOSE
| 5 |
VLIET
| 5 |
VOLTURNA
| 8 |
VRBAS
| 5 |
WARDER
| 6 |
WARNOW
| 6 |
WARTA
| 5 |
WAVENAY
| 7 |
WEDEA
| 5 |
WEISSEELSTER
| 12 |
WEISSERDRIN
| 11 |
WEISSERITZ
| 10 |
WEISSERMAIN
| 11 |
WEISTRITZ
| 9 |
WELLAND
| 7 |
WETLUGA
| 7 |
WIEDAU
| 6 |
WILDEADLER
| 10 |
WILLJA
| 6 |
WISIA
| 5 |
WITHAM
| 6 |
WJATKA
| 6 |
WOERNITZ
| 8 |
WORSKLA
| 7 |
WOTAU
| 5 |
WOTTAWA
| 7 |
WUEMME
| 6 |
WUERM
| 5 |
WUPPER
| 6 |
WYTSCHEGDA
| 10 |
ZAGYOA
| 6 |
ZALA
| 4 |
ZEZERE
| 6 |
ZIHL
| 4 |
ZSCHOPAU
| 8 |
ZWITTAU
| 7 |
3 | |
3 | |
URAL
| 4 |
PRUTE
| 5 |
LIMMAT
| 6 |
MOLDAU
| 6 |
MOSKWA
| 6 |
NJEMEN
| 6 |
GARONNE
| 7 |
SALZACH
| 7 |
WOLCHOW
| 7 |
CHARENTE
| 8 |
DORDOGNE
| 8 |
5 | |
5 | |
5 | |
5 | |
5 | |
5 | |
5 | |
GIRONDE
| 7 |
GUADALQUIVIR
| 12 |
GUADIANA
| 8 |
6 | |
5 | |
6 | |
5 | |
SHANNON
| 7 |
4 | |
5 | |
5 | |
6 | |
STUPAVA
| 7 |
4 | |
5 | |
4 | |
6 | |
7 | |
2 | |
2 | |
3 | |
3 | |
3 | |
3 | |
3 | |
3 | |
3 | |
3 | |
3 | |
3 |