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