Filipinas
Países del mundo
O
- (Province of Aklan) Odiong
- (Province of Camarines Sur) Ocampo
- Otavi
- (Province of Sorsogon) Osiao
- (Province of Aklan) Ochanado
- (Province of Camarines Sur) Odicon
- (Province of Pangasinan) Olea
- (Province of La Union) Oaqui
- (Province of Negros Occidental) Ogtongon
- (Province of Guimaras) Oracon
- (Province of Aklan) Ondoy
- (Province of Leyte) Old Taligue
- (Province of Rizal) Our Lady of Lourdes
- (Bohol) Overland
- (Province of Tarlac) O’Donnell
- (Province of Nueva Ecija) Obrero
- (Province of Bataan) Old San Jose
- (Province of Pangasinan) Olo Cagarlitan
- (Province of Pangasinan) Olo Cafabrosan
- (Province of Pangasinan) Ottama
- (Province of Cavite) Osorio
- (Province of Cavite) Okno
- (Province of Samar) Olera
- (Province of Quezon) Ongo
- (Province of Albay) Oringon
- (Province of Nueva Ecija) Ocampo-Rivera District