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