- Oakhurst to ibis Sydney King Street Wharf
- Oakville to ibis Sydney King Street Wharf
- Oatlands to ibis Sydney King Street Wharf
- Oatley to ibis Sydney King Street Wharf
- Old Guildford to ibis Sydney King Street Wharf
- Old Toongabbie to ibis Sydney King Street Wharf
- Oran Park to ibis Sydney King Street Wharf
- Orchard Hills to ibis Sydney King Street Wharf
- Oxford Falls to ibis Sydney King Street Wharf
- Oxley Park to ibis Sydney King Street Wharf
- Oyster Bay to ibis Sydney King Street Wharf
- Sydney Airport to ibis Sydney King Street Wharf
- ibis Sydney King Street Wharf to Oakhurst
- ibis Sydney King Street Wharf to Oakville
- ibis Sydney King Street Wharf to Oatlands
- ibis Sydney King Street Wharf to Oatley
- ibis Sydney King Street Wharf to Old Guildford
- ibis Sydney King Street Wharf to Old Toongabbie
- ibis Sydney King Street Wharf to Oran Park
- ibis Sydney King Street Wharf to Orchard Hills
- ibis Sydney King Street Wharf to Oxford Falls
- ibis Sydney King Street Wharf to Oxley Park
- ibis Sydney King Street Wharf to Oyster Bay
- ibis Sydney King Street Wharf to Sydney Airport