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