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