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