A3 243 then GQ 830 at Athens
Samos → Athens → Milan
Timetable, Athens time
12:55A3 243 from Samos at the gate
08:00GQ 830 to Milan leaves the gate
19 h 05 apart on the timetable, overnight
GQ 830 leaves 19 h 05 after A3 243 arrives on the timetable: more than half a day, so not a connection we count.