A3 275 then A3 118 at Athens
Chios → Athens → Thessaloniki
Timetable, Athens time
17:00A3 275 from Chios at the gate
14:40A3 118 to Thessaloniki leaves the gate
21 h 40 apart on the timetable, overnight
A3 118 leaves 21 h 40 after A3 275 arrives on the timetable: more than half a day, so not a connection we count.