Cities in Nigeria

Nwaorieubi
Nzam
Obagaji
Obangede
Obarike-Ito
Obi
Obiaruku
Obiozara
Obollo-Afor
Obolo-Eke (1)
Obonoma
Obubra
Obudu
Ochobo
Ode
Odeda
Ode-Ekiti
Ode-Irele
Odo-Ere
Odogbolu
Odoro Ikpe
Odot
Odukpani
Offa
Ogaminana
Ogbede
Ogbere
Ogbia
Ogbomoso
Oghara
Ogidi
Ogoja
Ogu
Oguma
Ogurugu
Oguta
Ogwashi-Uku
Ohafia-Ifigh
Oji River
Ojota
Ojoto
Oju
Oka
Okada
Oke-Agbe
Okehi
Okeho
Oke-Ikpe