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