- Oakhurst to The Darling at the Star
- Oakville to The Darling at the Star
- Oatlands to The Darling at the Star
- Oatley to The Darling at the Star
- Old Guildford to The Darling at the Star
- Old Toongabbie to The Darling at the Star
- Oran Park to The Darling at the Star
- Orchard Hills to The Darling at the Star
- Oxford Falls to The Darling at the Star
- Oxley Park to The Darling at the Star
- Oyster Bay to The Darling at the Star
- Sydney Airport to The Darling at the Star
- The Darling at the Star to Oakhurst
- The Darling at the Star to Oakville
- The Darling at the Star to Oatlands
- The Darling at the Star to Oatley
- The Darling at the Star to Old Guildford
- The Darling at the Star to Old Toongabbie
- The Darling at the Star to Oran Park
- The Darling at the Star to Orchard Hills
- The Darling at the Star to Oxford Falls
- The Darling at the Star to Oxley Park
- The Darling at the Star to Oyster Bay
- The Darling at the Star to Sydney Airport