OA 13 then GQ 30 at Athens
Naxos → Athens → Kalymnos
Timetable, Athens time
10:55OA 13 from Naxos at the gate
06:45GQ 30 to Kalymnos leaves the gate
19 h 50 apart on the timetable, overnight
GQ 30 leaves 19 h 50 after OA 13 arrives on the timetable: more than half a day, so not a connection we count.