| Oryzomylon Street | 12244 | Athens West Suburbs | Attica |
| Oryzomylon Street | 12351 | Athens West Suburbs | Attica |
| Osiou David Street | 12135, 12136, 12137 | Athens West Suburbs | Attica |
| Osiou Louka Street | 13121 | Athens West Suburbs | Attica |
| Ossis Street | 13679 | Athens West Suburbs | Attica |
| Othonon Street | 12462 | Athens West Suburbs | Attica |
| Othonos Street | 13561 | Athens West Suburbs | Attica |
| Othonos Street | 13451 | Athens West Suburbs | Attica |
| Othryos Street | 13341 | Athens West Suburbs | Attica |
| Ouali Street | 13342 | Athens West Suburbs | Attica |
| Ougko Viktor Street | 14452 | Athens West Suburbs | Attica |
| Ougko Viktor Street | 13451 | Athens West Suburbs | Attica |
| Ougko Viktor Street | 13343 | Athens West Suburbs | Attica |
| Ougko Viktor Street | 13674 | Athens West Suburbs | Attica |
| Ougko Viktor Street | 13461 | Athens West Suburbs | Attica |
| Ougko Viktor Street | 12136 | Athens West Suburbs | Attica |
| Ourani Kosta Street | 13679 | Athens West Suburbs | Attica |
| Ourani Street | 12462 | Athens West Suburbs | Attica |
| Ouranias Street | 13675 | Athens West Suburbs | Attica |
| Ouranou Nikiforou Street | 13121 | Athens West Suburbs | Attica |
| Ouranou Nikiforou Street | 13342 | Athens West Suburbs | Attica |
| Ouranou Street | 12462 | Athens West Suburbs | Attica |
| Oxyas Street | 13677 | Athens West Suburbs | Attica |
| Oxylithou Street | 13123 | Athens West Suburbs | Attica |
| Pafou Street | 14452 | Athens West Suburbs | Attica |
| Pafou Street | 13562 | Athens West Suburbs | Attica |
| Pafou Street | 13561 | Athens West Suburbs | Attica |
| Pafou Street | 13675 | Athens West Suburbs | Attica |
| Pafou Street | 12461 | Athens West Suburbs | Attica |
| Pafou Street | 12133 | Athens West Suburbs | Attica |
| Pafou Street | 12242 | Athens West Suburbs | Attica |
| Pafras Street | 14233 | Athens West Suburbs | Attica |
| Pafsaniou Street | 13451 | Athens West Suburbs | Attica |
| Pafsaniou Street | 13674 | Athens West Suburbs | Attica |
| Pafsaniou Street | 12133 | Athens West Suburbs | Attica |
| Pafsaniou Street | 12242 | Athens West Suburbs | Attica |
| Pagason Street | 12136 | Athens West Suburbs | Attica |
| Pagkalou Theodorou Street | 13122 | Athens West Suburbs | Attica |
| Pagkalou Theodorou Street | 13674 | Athens West Suburbs | Attica |
| Pagkosmiou Armonias Street | 14232 | Athens West Suburbs | Attica |