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