RO 273 then EW 2685 at Athens
Bucharest → Athens → Stuttgart
Timetable, Athens time
18:20RO 273 from Bucharest at the gate
11:40EW 2685 to Stuttgart leaves the gate
17 h 20 apart on the timetable, overnight
EW 2685 leaves 17 h 20 after RO 273 arrives on the timetable: more than half a day, so not a connection we count.