- Oakhurst to Harbourside Apartments
- Oakville to Harbourside Apartments
- Oatlands to Harbourside Apartments
- Oatley to Harbourside Apartments
- Old Guildford to Harbourside Apartments
- Old Toongabbie to Harbourside Apartments
- Oran Park to Harbourside Apartments
- Orchard Hills to Harbourside Apartments
- Oxford Falls to Harbourside Apartments
- Oxley Park to Harbourside Apartments
- Oyster Bay to Harbourside Apartments
- Sydney Airport to Harbourside Apartments
- Harbourside Apartments to Oakhurst
- Harbourside Apartments to Oakville
- Harbourside Apartments to Oatlands
- Harbourside Apartments to Oatley
- Harbourside Apartments to Old Guildford
- Harbourside Apartments to Old Toongabbie
- Harbourside Apartments to Oran Park
- Harbourside Apartments to Orchard Hills
- Harbourside Apartments to Oxford Falls
- Harbourside Apartments to Oxley Park
- Harbourside Apartments to Oyster Bay
- Harbourside Apartments to Sydney Airport