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