- Oakhurst to Oaks Harmony Apartment Hotel
- Oakville to Oaks Harmony Apartment Hotel
- Oatlands to Oaks Harmony Apartment Hotel
- Oatley to Oaks Harmony Apartment Hotel
- Old Guildford to Oaks Harmony Apartment Hotel
- Old Toongabbie to Oaks Harmony Apartment Hotel
- Oran Park to Oaks Harmony Apartment Hotel
- Orchard Hills to Oaks Harmony Apartment Hotel
- Oxford Falls to Oaks Harmony Apartment Hotel
- Oxley Park to Oaks Harmony Apartment Hotel
- Oyster Bay to Oaks Harmony Apartment Hotel
- Sydney Airport to Oaks Harmony Apartment Hotel
- Oaks Harmony Apartment Hotel to Oakhurst
- Oaks Harmony Apartment Hotel to Oakville
- Oaks Harmony Apartment Hotel to Oatlands
- Oaks Harmony Apartment Hotel to Oatley
- Oaks Harmony Apartment Hotel to Old Guildford
- Oaks Harmony Apartment Hotel to Old Toongabbie
- Oaks Harmony Apartment Hotel to Oran Park
- Oaks Harmony Apartment Hotel to Orchard Hills
- Oaks Harmony Apartment Hotel to Oxford Falls
- Oaks Harmony Apartment Hotel to Oxley Park
- Oaks Harmony Apartment Hotel to Oyster Bay
- Oaks Harmony Apartment Hotel to Sydney Airport