Russie
Îles commençant par o - page 49
- Ostrov Okhvasensari
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- Ostrov Oktyabr’skoy Revolyutsii
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- Ostrov Oleg
- Ostrov Olenevskiy
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- Ostrov Olennitsa
- Ostrov Oleshin
- Ostrov Ol’ga-Baychan
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- Ostrov Ol’khon
- Ostrov Ol’khovets
- Ostrov Ol’khovyy
- Ostrov Ol’trek
- Ostrov Omelino
- Ostrov Ommani
- Ostrov Omuksuor-Bol'koyo
- Ostrov Onekotan
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- Ostrov Opasnyy
- Ostrov Opechek
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- Ostrov Oreshin
- Ostrov Orkogor-Aryta
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- Ostrov Oro-Aryta
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- Ostrov Orto-Ary
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