How many letters does the top answer for “city in south ostrobothnia” have?

The most common answer is seinajoki (9 letters).

Crossword clue: city in south ostrobothnia

1 answer found in Letterora's clue database (Wikidata facts, Open Trivia DB, WordNet and Webster definitions — all licensed sources).

seinajoki 9 letters wd-fact-v3

city in ostrobothnia 67% similar → vaasa

city in north ostrobothnia 50% similar → oulu

city in south africa 50% similar → bloemfontein, durban, eastlondon

city in south australia 50% similar → mountgambier, portaugusta, whyalla

city in south gyeongsang 50% similar → ulsan

city in south holland 50% similar → dordrecht, leiden, maassluis

city in south karelia 50% similar → lappeenranta

city in south kivu 50% similar → uvira