GQ 31 then A3 128 at Athens
Kalymnos → Athens → Thessaloniki
Timetable, Athens time
09:15GQ 31 from Kalymnos at the gate
21:30A3 128 to Thessaloniki leaves the gate
12 h 15 apart on the timetable
A3 128 leaves 12 h 15 after GQ 31 arrives on the timetable: more than half a day, so not a connection we count.