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