A3 155 then EC 3656 at Athens
Kavala → Athens → Milan
Timetable, Athens time
20:50A3 155 from Kavala at the gate
11:10EC 3656 to Milan leaves the gate
14 h 20 apart on the timetable, overnight
EC 3656 leaves 14 h 20 after A3 155 arrives on the timetable: more than half a day, so not a connection we count.