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