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