Rijeka/jezero/more na O
- Odra
- Orljava
- Olga
- Ohridsko jezero
- Ontario
- Ohridsko
- Ohrid
- Ombla
- Ohotsko
- Ohotsko more
- Ottawa
- Oman
- Orinoco
- Otawa
- Oranje
- Advertisement
- Ocean
- Orašnica
- Okašnica
- Orahovica
- Otvoreno
- Ohridsko more
- Ohridsko j
- Onega
- Oskova
- otuča
- Olimp
- Olimpija
The words in the list Rijeka/jezero/more na O come from players of the word game City, Country, River.