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