Filipinas
Países do mundo
O
- (Province of Cebu) Oboob
- (Bohol) Oac
- (Province of Samar) Obo-ob
- (Province of Ilocos Sur) Oaig Daya
- (Province of Quezon) Oboob
- (Province of Pangasinan) Oboyoboy
- (Province of Ilocos Sur) Oalin
- (Province of Davao del Sur) Obrero
- (Province of La Union) Oaquing
- (Province of Samar) Obrevo
- (Province of Albay) Oas
- (Capital District) Obrero
- (Province of Agusan del Norte) Oba
- (Province of La Union) Obug
- (Province of Albay) Obaliw
- (Bohol) Obuhan
- (Bohol) Oban
- (Bohol) Obuhan
- (Province of Samar) Obayan
- (Bohol) Obujan
- (Province of Cebu) Obo
- (Province of Catanduanes) Obo
- (Province of Leyte) Odiongan
- (Province of Iloilo) Odiongan
- (Province of Iloilo) Odioñgan
- (Province of Cebu) Odlot
- (Province of Negros Oriental) Odlumon
- (Province of Samar) Odoc
- (Province of Samar) Odoc
- (Province of Camarines Sur) Odoc