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