Filipinas
Países do mundo
O
- (Province of Negros Oriental) Opao
- (Province of Cebu) Opao
- (Province of Cebu) Opao
- (Province of Cebu) Opao
- (Province of Cebu) Opaw
- (Province of Quezon) Opias
- (Province of Nueva Vizcaya) Oplas
- (Province of Laguna) Oples
- (Province of Laguna) Oples
- (Province of Surigao del Norte) Opong
- (Province of Leyte) Opong
- (Province of Eastern Samar) Opong
- (Province of Leyte) Opong
- (Province of Northern Samar) Opong
- (Province of Samar) Opung
- (Province of Aklan) Oquendo
- (Province of Samar) Oquendo
- (Province of Samar) Oquendo Viejo
- (Province of Ilocos Sur) Ora
- (Province of Maguindanao) Orandang
- (Province of Maguindanao) Orandang
- (Province of Sorsogon) Orangñi
- (Province of Sorsogon) Oras
- (Province of Ilocos Sur) Orence
- (Province of Ilocos Sur) Oribi
- (Province of Camarines Sur) Oring
- (Province of Iloilo) Orinoria
- (Province of Nueva Vizcaya) Orioung
- (Province of Leyte) Ormocay
- (Province of Leyte) Ormocay