FR 678 then FR 180 at Vienna
Bucharest → Vienna → Thessaloniki
Timetable, Vienna time
14:10FR 678 from Bucharest at the gate
06:20FR 180 to Thessaloniki leaves the gate
16 h 10 apart on the timetable, overnight
FR 180 leaves 16 h 10 after FR 678 arrives on the timetable: more than half a day, so not a connection we count.