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