| Oreiadon Street | 34131 | Chalkida | Evia |
| Orionos Street | 34133 | Chalkida | Evia |
| Oriou Street | 34133 | Chalkida | Evia |
| Osiou Christodoulou Street | 34132 | Chalkida | Evia |
| Osiou David Street | 34132 | Chalkida | Evia |
| Osiou Ioanni Rosou Street | 34132 | Chalkida | Evia |
| Osiou Nikonos Street | 34132 | Chalkida | Evia |
| Oxyas Street | 34132 | Chalkida | Evia |
| Oxylithou Street | 34133 | Chalkida | Evia |
| Pagason Street | | Chalkida | Evia |
| Pagkaki Eleftheriou Street | 34131 | Chalkida | Evia |
| Palaiodimopoulou Street | 34133 | Chalkida | Evia |
| Palaion Patron Germanou Street | 34132 | Chalkida | Evia |
| Palama Kosti Street | 34131 | Chalkida | Evia |
| Pandorou Street | 34133 | Chalkida | Evia |
| Pangaiou Street | 34131 | Chalkida | Evia |
| Panidou Street | 34133 | Chalkida | Evia |
| Panionion Street | 34133 | Chalkida | Evia |
| Panourgia Panou Street | 34131 | Chalkida | Evia |
| Pansedon Street | 34131 | Chalkida | Evia |
| Pantazi Charilaou Street | 34133 | Chalkida | Evia |
| Pantazi I. Street | 34132 | Chalkida | Evia |
| Papadiamanti Alexandrou Street | 34132 | Chalkida | Evia |
| Papadiamantopoulou Street | 34131 | Chalkida | Evia |
| Papadimitriou M. Street | 34132 | Chalkida | Evia |
| Papaflessa Street | 34131 | Chalkida | Evia |
| Papalouka L. Street | 34133 | Chalkida | Evia |
| Papanastasiou Street | 34132, 34133 | Chalkida | Evia |
| Papandreou Georgiou Avenue | 34132 | Chalkida | Evia |
| Papanikolaou Street | 34132 | Chalkida | Evia |
| Papanikoli Street | 34131 | Chalkida | Evia |
| Papapostolou T. Street | 34133 | Chalkida | Evia |
| Papaskiada Street | 34133 | Chalkida | Evia |
| Papastrati Thras. Street | 34133 | Chalkida | Evia |
| Papathanasiou Street | 34132 | Chalkida | Evia |
| Papazoglou Street | 34132 | Chalkida | Evia |
| Papigki Street | 34133 | Chalkida | Evia |
| Pappa Georgiou Street | 34133 | Chalkida | Evia |
| Parnassou Street | 34131 | Chalkida | Evia |
| Parou Street | 34131 | Chalkida | Evia |