GQ 681 then A3 292 at Athens
Sofia → Athens → Kefalonia
Timetable, Athens time
21:55GQ 681 from Sofia at the gate
18:05A3 292 to Kefalonia leaves the gate
20 h 10 apart on the timetable, overnight
A3 292 leaves 20 h 10 after GQ 681 arrives on the timetable: more than half a day, so not a connection we count.