A3 707 then EW 2685 at Athens
Bilbao → Athens → Stuttgart
Timetable, Athens time
15:40A3 707 from Bilbao at the gate
11:40EW 2685 to Stuttgart leaves the gate
20 h apart on the timetable, overnight
EW 2685 leaves 20 h after A3 707 arrives on the timetable: more than half a day, so not a connection we count.