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