GQ 461 then A3 664 at Athens
Karpathos → Athens → Milan
Timetable, Athens time
21:15GQ 461 from Karpathos at the gate
16:15A3 664 to Milan leaves the gate
19 h apart on the timetable, overnight
A3 664 leaves 19 h after GQ 461 arrives on the timetable: more than half a day, so not a connection we count.