FR 803 then OS 265 at Vienna
Valencia → Vienna → Stuttgart
Timetable, Vienna time
21:45FR 803 from Valencia at the gate
13:20OS 265 to Stuttgart leaves the gate
15 h 35 apart on the timetable, overnight
OS 265 leaves 15 h 35 after FR 803 arrives on the timetable: more than half a day, so not a connection we count.