- Oak Park to Mercure Melbourne Treasury Gardens
- Oaklands Junction to Mercure Melbourne Treasury Gardens
- Oakleigh East to Mercure Melbourne Treasury Gardens
- Oakleigh South to Mercure Melbourne Treasury Gardens
- Oakleigh to Mercure Melbourne Treasury Gardens
- Ocean Grove to Mercure Melbourne Treasury Gardens
- Officer to Mercure Melbourne Treasury Gardens
- Olinda to Mercure Melbourne Treasury Gardens
- Ormond to Mercure Melbourne Treasury Gardens
- Melbourne Airport to Mercure Melbourne Treasury Gardens
- Mercure Melbourne Treasury Gardens to Oak Park
- Mercure Melbourne Treasury Gardens to Oaklands Junction
- Mercure Melbourne Treasury Gardens to Oakleigh East
- Mercure Melbourne Treasury Gardens to Oakleigh South
- Mercure Melbourne Treasury Gardens to Oakleigh
- Mercure Melbourne Treasury Gardens to Ocean Grove
- Mercure Melbourne Treasury Gardens to Officer
- Mercure Melbourne Treasury Gardens to Olinda
- Mercure Melbourne Treasury Gardens to Ormond
- Mercure Melbourne Treasury Gardens to Melbourne Airport