- Oakhurst to 30 Darlinghurst
- Oakville to 30 Darlinghurst
- Oatlands to 30 Darlinghurst
- Oatley to 30 Darlinghurst
- Old Guildford to 30 Darlinghurst
- Old Toongabbie to 30 Darlinghurst
- Oran Park to 30 Darlinghurst
- Orchard Hills to 30 Darlinghurst
- Oxford Falls to 30 Darlinghurst
- Oxley Park to 30 Darlinghurst
- Oyster Bay to 30 Darlinghurst
- Sydney Airport to 30 Darlinghurst
- 30 Darlinghurst to Oakhurst
- 30 Darlinghurst to Oakville
- 30 Darlinghurst to Oatlands
- 30 Darlinghurst to Oatley
- 30 Darlinghurst to Old Guildford
- 30 Darlinghurst to Old Toongabbie
- 30 Darlinghurst to Oran Park
- 30 Darlinghurst to Orchard Hills
- 30 Darlinghurst to Oxford Falls
- 30 Darlinghurst to Oxley Park
- 30 Darlinghurst to Oyster Bay
- 30 Darlinghurst to Sydney Airport