GQ 461 then GQ 830 at Athens
Karpathos → Athens → Milan
Timetable, Athens time
21:15GQ 461 from Karpathos at the gate
17:00GQ 830 to Milan leaves the gate
19 h 45 apart on the timetable, overnight
GQ 830 leaves 19 h 45 after GQ 461 arrives on the timetable: more than half a day, so not a connection we count.