Statistics for Largest European Cities by Letter - O

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Rank	Population	Country	Hint	City	% Correct
3	505'000	Norway	Capital	Oslo	100%
1	1'002'000	Ukraine	Opera and Ballet Theater	Odessa	91%
10	183'000	Denmark	Hans Christian Andersen	Odense	59%
5	322'000	Czech Republic	Coal	Ostrava	57%
9	198'000	Spain	Capital of Asturias	Oviedo	44%
13	154'000	Germany	St. Lamberti Church	Oldenburg	36%
12	164'000	Germany	Erich Maria Remarque	Osnabrück	32%
2	523'000	Russia	River Ural	Orenburg	28%
7	222'000	Germany	Gasometer	Oberhausen	25%
4	342'000	Russia	Catherine's Cathedral	Orel	25%
8	222'000	Romania	Episcopal Palace	Oradea	23%
11	171'000	Poland	Lake Ukiel	Olsztyn	16%
6	274'000	Russia	Drama Theater	Orsk	13%