GQ 681 then A3 118 at Athens
Sofia → Athens → Thessaloniki
Timetable, Athens time
21:55GQ 681 from Sofia at the gate
14:40A3 118 to Thessaloniki leaves the gate
16 h 45 apart on the timetable, overnight
A3 118 leaves 16 h 45 after GQ 681 arrives on the timetable: more than half a day, so not a connection we count.