OS 266 then FR 1645 at Vienna
Stuttgart → Vienna → Rome
Timetable, Vienna time
16:35OS 266 from Stuttgart at the gate
08:35FR 1645 to Rome leaves the gate
16 h apart on the timetable, overnight
FR 1645 leaves 16 h after OS 266 arrives on the timetable: more than half a day, so not a connection we count.