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