A3 247 then EC 3656 at Athens
Samos → Athens → Milan
Timetable, Athens time
17:45A3 247 from Samos at the gate
11:10EC 3656 to Milan leaves the gate
17 h 25 apart on the timetable, overnight
EC 3656 leaves 17 h 25 after A3 247 arrives on the timetable: more than half a day, so not a connection we count.