Crossword clue: a european river; flows into the baltic sea
2 answers found in Letterora's clue database (Wikidata facts, Open Trivia DB, WordNet and Webster definitions — all licensed sources).
Possible answers
oder
4 letters
wn-def
a European river; flows into the Baltic Sea
vistula
7 letters
wn-def
a European river; flows into the Baltic Sea