GQ 231 then OA 4 at Athens
Mykonos → Athens → Karpathos
Timetable, Athens time
19:05GQ 231 from Mykonos at the gate
13:45OA 4 to Karpathos leaves the gate
18 h 40 apart on the timetable, overnight
OA 4 leaves 18 h 40 after GQ 231 arrives on the timetable: more than half a day, so not a connection we count.