| Kastoros Street | 13344 | Athens - Piraeus | Attica |
| Kastoros Street | 18540, 18545 | Athens - Piraeus | Attica |
| Kastrioti Georgiou Street | 13461 | Athens - Piraeus | Attica |
| Kastrioti Georgiou Street | 11476 | Athens - Piraeus | Attica |
| Kastriou Street | 14578 | Athens - Piraeus | Attica |
| Kastriou Street | 13451 | Athens - Piraeus | Attica |
| Kastrisianaki Charalampou Street | 11524 | Athens - Piraeus | Attica |
| Kastritsas Street | 14671 | Athens - Piraeus | Attica |
| Kastritsas Street | 14578 | Athens - Piraeus | Attica |
| Kastrou Street | 16672 | Athens - Piraeus | Attica |
| Kastrou Ymittou Street | 13122 | Athens - Piraeus | Attica |
| Katafylliou Street | 15351 | Athens - Piraeus | Attica |
| Katakouzinou Alexandrou Street | 17121 | Athens - Piraeus | Attica |
| Katartzi Dimitraki Street | 11524 | Athens - Piraeus | Attica |
| Katechaki Georgiou Street | 11525 | Athens - Piraeus | Attica |
| Katerinis Street | 15344 | Athens - Piraeus | Attica |
| Katerinis Street | 13122 | Athens - Piraeus | Attica |
| Katerinis Street | 13343 | Athens - Piraeus | Attica |
| Katerinis Street | 11855 | Athens - Piraeus | Attica |
| Kathimeias Street | 10444 | Athens - Piraeus | Attica |
| Katholikis Ekklisias Street | 18531 | Athens - Piraeus | Attica |
| Katifedon Street | 13343 | Athens - Piraeus | Attica |
| Kato Polemidion Kyprou Avenue | 18452 | Athens - Piraeus | Attica |
| Kato Viglas Street | 15351 | Athens - Piraeus | Attica |
| Katonos Street | 16345 | Athens - Piraeus | Attica |
| Katraki Manou Street | 15351 | Athens - Piraeus | Attica |
| Katraki Manou Street | 13342 | Athens - Piraeus | Attica |
| Katraki Manou Street | 12351 | Athens - Piraeus | Attica |
| Katraki Manou Street | 12462 | Athens - Piraeus | Attica |
| Katraki Manou Street | 12242 | Athens - Piraeus | Attica |
| Katraki Manou Street | 12136 | Athens - Piraeus | Attica |
| Katraki Manou Street | 18758 | Athens - Piraeus | Attica |
| Katraki Manou Street | 15771 | Athens - Piraeus | Attica |
| Katraki Manou Street | 17342 | Athens - Piraeus | Attica |
| Katraki Vasos Square | 16675 | Athens - Piraeus | Attica |
| Katraki Vasos Street | 15562 | Athens - Piraeus | Attica |
| Katrami Street | 11524 | Athens - Piraeus | Attica |
| Katrivanou Athanasiou Street | 10434 | Athens - Piraeus | Attica |
| Katrivanou Panagioti Street | 17235 | Athens - Piraeus | Attica |
| Katsantonaion Street | 15351 | Athens - Piraeus | Attica |