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