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