OS 780 then FR 1567 at Vienna
Sofia → Vienna → Alicante
Timetable, Vienna time
08:35OS 780 from Sofia at the gate
06:20FR 1567 to Alicante leaves the gate
21 h 45 apart on the timetable, overnight
FR 1567 leaves 21 h 45 after OS 780 arrives on the timetable: more than half a day, so not a connection we count.