Onangisuo
populated place |
Oniku
populated place |
Onita-Ederi
stream |
Onita-Ugomu
stream |
Onne
populated place |
Onoagbai
populated place |
Onu-Iku
populated place |
Onujuku
populated place |
Onuta
populated place |
Opiro
populated place |
Opo
populated place |
Opobo Channel
distributary(-ies) |
Opobo Town
populated place |
Opobulaka Creek
distributary(-ies) |
Opokolo
populated place |
Oporbakiri
populated place |
| |||
Oporoma
populated place |
Opotumbi
populated place |
Opu Adakiri
populated place |
Opu Arugbana
populated place |
Opu Dabara
populated place |
Opu Ekweboko
populated place |
Opu Onongi
populated place |
Opuabesea
populated place |
Opuadakiri
populated place |
Opudegema
populated place |
Opudunu Pond
pond |
Opukiri
populated place |
Opumakiri
populated place |
Opuogbogolo
populated place |
Opuoko
populated place |
Opurama
populated place |
Opuropokiri
populated place |
Opusunju
populated place |
Oriaje
populated place |
Orikiri
populated place |
Oroberekiri
populated place |
Oroberekiri Creek
distributary(-ies) |
Orogbum
populated place |
Orotoh
populated place |
Orowokwo-Woji
populated place |
Orowokwo-Woji
populated place |
Oroworokwo
populated place |
Orugbanikiri
populated place |
Orugbanikiri
populated place |
Orukalama
populated place |
Orukiri
populated place |
Orusangama
populated place |