O (Ratnapura District) Opata (Ratnapura District) Opatha (Gampaha District) Opata (Kegalle District) Opatha (Gampaha District) Opathella (Anuradhapura District) Orukmankulama (Kurunegala District) Oruliyadda (Batticaloa District) Orumulacholai (Gampaha District) Orutota (Anuradhapura District) Orulotagama (Colombo District) Oruwala (Kandy District) Otagama (Nuwara Eliya District) Otalawa (Kurunegala District) Otherakiriwanapola (Puttalam District) Otara Tambarawila (Gampaha District) Otarawadiya Upper (Kurunegala District) Otegama (Kurunegala District) Othegama (Batticaloa District) Othiyankuda-aru (Kegalle District) Othapitiya (Anuradhapura District) Ottappuwa (Kurunegala District) Ottukulama (Kurunegala District) Ottukulama (Kurunegala District) Ottukulama (Kurunegala District) Ottukulama (Kurunegala District) Ottupillama (Matara District) Oture (Kurunegala District) Otuwela (Matale District) Owilla (Matale District) Ovitipana 2 3 4 5 6