| Irakleitou Street | 42132 | Trikala | Trikala |
| Irakleous Street | 42131 | Trikala | Trikala |
| Iras Street (intersects with Idomeneos Street) | 42132 | Trikala | Trikala |
| Iras Street (intersects with Lykourgou Street) | 42132 | Trikala | Trikala |
| Irodotou Street | 42131 | Trikala | Trikala |
| Irodou Attikou Street | 42132 | Trikala | Trikala |
| Irofilou Street | 42132 | Trikala | Trikala |
| Iroon Alvanikou Metopou Street | 42132 | Trikala | Trikala |
| Ischomachou Street | 42131 | Trikala | Trikala |
| Isiodou Street | 42131 | Trikala | Trikala |
| Isokratous Street | 42131 | Trikala | Trikala |
| Istrias Street | 42131 | Trikala | Trikala |
| Ithakis Street | 42131 | Trikala | Trikala |
| Kakla Al. Street | 42132 | Trikala | Trikala |
| Kakoplevriou Street | 42131 | Trikala | Trikala |
| Kalamatas Street | 42131 | Trikala | Trikala |
| Kalamioti I. Street | 42131 | Trikala | Trikala |
| Kalamou Street | 42131 | Trikala | Trikala |
| Kalampakas Street | 42131 | Trikala | Trikala |
| Kaldara Apostolou Street | 42132 | Trikala | Trikala |
| Kallirrois Street | 42132 | Trikala | Trikala |
| Kallistheni Street | 42131 | Trikala | Trikala |
| Kalogrianis Street | 42132 | Trikala | Trikala |
| Kaloneriou Street | 42132 | Trikala | Trikala |
| Kalydonos Street | 42131 | Trikala | Trikala |
| Kalymnou Street | 42131 | Trikala | Trikala |
| Kalypsous Street | 42131 | Trikala | Trikala |
| Kamarioti Street | 42131 | Trikala | Trikala |
| Kanari Street | 42150 | Trikala | Trikala |
| Kanellopoulou Avenue | 42131 | Trikala | Trikala |
| Kanellopoulou Panagioti Street | 42131 | Trikala | Trikala |
| Kaningos Street | 42132 | Trikala | Trikala |
| Kanouta G. Street | 42131 | Trikala | Trikala |
| Kantartzi Street | 42132 | Trikala | Trikala |
| Kapetan Varda Lamprou Street | 42131 | Trikala | Trikala |
| Kapodistria Ioanni Street | 42131 | Trikala | Trikala |
| Kappadokias Street | 42132 | Trikala | Trikala |
| Kapsali Street | 42131 | Trikala | Trikala |
| Karagianni Lelas Street | 42131 | Trikala | Trikala |
| Karaiskaki Georgiou Street | 42132 | Trikala | Trikala |