- Oak Park to Quest Southbank
- Oaklands Junction to Quest Southbank
- Oakleigh East to Quest Southbank
- Oakleigh South to Quest Southbank
- Oakleigh to Quest Southbank
- Ocean Grove to Quest Southbank
- Officer to Quest Southbank
- Olinda to Quest Southbank
- Ormond to Quest Southbank
- Melbourne Airport to Quest Southbank
- Quest Southbank to Oak Park
- Quest Southbank to Oaklands Junction
- Quest Southbank to Oakleigh East
- Quest Southbank to Oakleigh South
- Quest Southbank to Oakleigh
- Quest Southbank to Ocean Grove
- Quest Southbank to Officer
- Quest Southbank to Olinda
- Quest Southbank to Ormond
- Quest Southbank to Melbourne Airport