A3 275 then GQ 30 at Athens
Chios → Athens → Kalymnos
Timetable, Athens time
17:00A3 275 from Chios at the gate
14:00GQ 30 to Kalymnos leaves the gate
21 h apart on the timetable, overnight
GQ 30 leaves 21 h after A3 275 arrives on the timetable: more than half a day, so not a connection we count.