- O'connor to Discovery Parks – Perth
- Oakford to Discovery Parks – Perth
- Ocean Reef to Discovery Parks – Perth
- Oldbury to Discovery Parks – Perth
- Orange Grove to Discovery Parks – Perth
- Orelia to Discovery Parks – Perth
- Osborne Park to Discovery Parks – Perth
- Perth Airport to Discovery Parks – Perth
- Discovery Parks – Perth to O'connor
- Discovery Parks – Perth to Oakford
- Discovery Parks – Perth to Ocean Reef
- Discovery Parks – Perth to Oldbury
- Discovery Parks – Perth to Orange Grove
- Discovery Parks – Perth to Orelia
- Discovery Parks – Perth to Osborne Park
- Discovery Parks – Perth to Perth Airport