| Nymfasias Street | 12132 | Athens West Suburbs | Attica |
| Nymfon Street | 13451 | Athens West Suburbs | Attica |
| Ochis Street | 13675 | Athens West Suburbs | Attica |
| Odissou Street | 13451 | Athens West Suburbs | Attica |
| Odissou Street | 13673 | Athens West Suburbs | Attica |
| Odysseos Street | 14452 | Athens West Suburbs | Attica |
| Odysseos Street | 14343 | Athens West Suburbs | Attica |
| Odysseos Street | 13121, 13122 | Athens West Suburbs | Attica |
| Odysseos Street | 13344 | Athens West Suburbs | Attica |
| Odysseos Street | 13674 | Athens West Suburbs | Attica |
| Odysseos Street | 12461 | Athens West Suburbs | Attica |
| Odysseos Street | 12351 | Athens West Suburbs | Attica |
| Odysseos Street | 12133 | Athens West Suburbs | Attica |
| Oichalias Street | 12137 | Athens West Suburbs | Attica |
| Oidipodos Street | 19008 | Athens West Suburbs | Attica |
| Oidipodos Street | 12133 | Athens West Suburbs | Attica |
| Oikonomidi Filoktiti Street | 12132 | Athens West Suburbs | Attica |
| Oikonomopoulou Georgias Street | 13677 | Athens West Suburbs | Attica |
| Oikonomou Antoniou Street | 13343 | Athens West Suburbs | Attica |
| Oikonomou Antoniou Street | 12131 | Athens West Suburbs | Attica |
| Oikonomou Antoniou Street | 12243 | Athens West Suburbs | Attica |
| Oikonomou Street | 13671 | Athens West Suburbs | Attica |
| Oineos Street | 13672 | Athens West Suburbs | Attica |
| Oinois Street | 14234 | Athens West Suburbs | Attica |
| Oinois Street | 13671 | Athens West Suburbs | Attica |
| Oinois Street | 13341 | Athens West Suburbs | Attica |
| Oinois Street | 12462 | Athens West Suburbs | Attica |
| Oitis Street | 14451 | Athens West Suburbs | Attica |
| Oitis Street | 12133 | Athens West Suburbs | Attica |
| Oitylou Street | 13451 | Athens West Suburbs | Attica |
| Oitylou Street | 13679 | Athens West Suburbs | Attica |
| Okeanidon Street | 13678 | Athens West Suburbs | Attica |
| Oktonias Street | 12132 | Athens West Suburbs | Attica |
| Olympiadon Street | 13675 | Athens West Suburbs | Attica |
| Olympiados Street | 14232 | Athens West Suburbs | Attica |
| Olympiados Street | 13461 | Athens West Suburbs | Attica |
| Olympiados Street | 13344 | Athens West Suburbs | Attica |
| Olympiados Street | 13679 | Athens West Suburbs | Attica |
| Olympiakis Flogas Street | 13677 | Athens West Suburbs | Attica |
| Olympiakon Agonon Street | 13677 | Athens West Suburbs | Attica |