A3 275 then A3 144 at Athens
Chios → Athens → Alexandroupolis
Timetable, Athens time
17:00A3 275 from Chios at the gate
14:25A3 144 to Alexandroupolis leaves the gate
21 h 25 apart on the timetable, overnight
A3 144 leaves 21 h 25 after A3 275 arrives on the timetable: more than half a day, so not a connection we count.