A3 143 then GQ 670 at Athens
Alexandroupolis → Athens → Istanbul
Timetable, Athens time
12:40A3 143 from Alexandroupolis at the gate
06:55GQ 670 to Istanbul leaves the gate
18 h 15 apart on the timetable, overnight
GQ 670 leaves 18 h 15 after A3 143 arrives on the timetable: more than half a day, so not a connection we count.