Nigéria
Países do mundo
O
- (Epe) Orugba
- (Akuku Toru) Orugbanikiri
- (Burutu) Orugbene
- (Degema) Orukalama
- (Mbo) Orukim
- (Akuku Toru) Orukiri
- (Urue Offong/Oruko) Oruko
- (Anambra West) Oroma Etiti
- (Agwara) Ororo
- (Agwara) Ororo
- (Boripe) Ororuwo
- (Ovia North-East) Orovie
- (Esan South-East) Orowa
- (Isokan) Orowe
- (Afijio) Orowole
- (Konshisha) Oroyoo
- (Ilaje) Oroyo-Oke
- (Ogbadibo) Orukpa
- (Ilaje) Oroyo-Zion
- (Nkanu East) Oruku
- (Ogbadibo) Orruru
- (Brass) Oruokolo
- (Vandeikya) Orsaa
- (Warri North) Orumegege
- (Takum) Orshi
- (Abeokuta North) Orunto
- (Guma) Orshi
- (Akuku Toru) Orusangama
- (Teungo) Orshi
- (Biase) Oru Ukwa