| Street | Postal Code | City | Prefecture |
|---|---|---|---|
| Kifisou Avenue | 10442, 10443, 10447 | Athens | Attica |
| Kifisou Sideway | 10442 | Athens | Attica |
| Kilikias Street | 11142 | Athens | Attica |
| Kilkis Street | 10441 | Athens | Attica |
| Kimolou Street | 11362 | Athens | Attica |
| Kimonos Street | 10441 | Athens | Attica |
| Kingk Ouiliam Street | 11253 | Athens | Attica |
| Kiou Street | 11364 | Athens | Attica |
| Kipon Street | 11143 | Athens | Attica |
| Kirras Street | 11523 | Athens | Attica |
| Kirykeiou Street | 10555 | Athens | Attica |
| Kissamou Street | 10443 | Athens | Attica |
| Kithaironos Street | 11141, 11255, 11256, 11364 | Athens | Attica |
| Kitiou Street | 11252 | Athens | Attica |
| Kitsou Street | 11522 | Athens | Attica |
| Klada Street | 11743 | Athens | Attica |
| Kladou Street | 10555 | Athens | Attica |
| Klapadou Street | 11252 | Athens | Attica |
| Klazomenon Street | 10440 | Athens | Attica |
| Kleanthous Stamatiou Street | 10674 | Athens | Attica |
| Kleidimou Street | 11852 | Athens | Attica |
| Kleious Street | 10441 | Athens | Attica |
| Kleisofou Street | 11363 | Athens | Attica |
| Kleisouras Street | 16121 | Athens | Attica |
| Kleisovis Street | 10677 | Athens | Attica |
| Kleisthenous Street | 10552 | Athens | Attica |
| Kleitiou Street | 10560 | Athens | Attica |
| Kleitomachou Street | 11636 | Athens | Attica |
| Klemanso Zorz Street | 11744 | Athens | Attica |
| Kleomenous Street | 10675, 10676 | Athens | Attica |
| Kleomidous Street | 10443 | Athens | Attica |
| Kleomvrotou Street | 10435 | Athens | Attica |
| Kleonis Street | 11364 | Athens | Attica |
| Kleonon Street | 11142 | Athens | Attica |
| Kleovidos Street | 10442, 10443 | Athens | Attica |
| Kleovoulou Street | 11743, 11744 | Athens | Attica |
| Klepsydras Street | 10555, 10556 | Athens | Attica |
| Klimentos Street | 11854 | Athens | Attica |
| Klymenis Street | 10445 | Athens | Attica |
| Klytias Street | 10444 | Athens | Attica |