GQ 31 then GQ 690 at Athens
Kalymnos → Athens → Tirana
Timetable, Athens time
17:00GQ 31 from Kalymnos at the gate
07:50GQ 690 to Tirana leaves the gate
14 h 50 apart on the timetable, overnight
GQ 690 leaves 14 h 50 after GQ 31 arrives on the timetable: more than half a day, so not a connection we count.