A3 275 then A3 160 at Athens
Chios → Athens → Ioannina
Timetable, Athens time
17:00A3 275 from Chios at the gate
10:35A3 160 to Ioannina leaves the gate
17 h 35 apart on the timetable, overnight
A3 160 leaves 17 h 35 after A3 275 arrives on the timetable: more than half a day, so not a connection we count.