FR 74 then FR 802 at Vienna
Treviso → Vienna → Valencia
Timetable, Vienna time
09:55FR 74 from Treviso at the gate
06:15FR 802 to Valencia leaves the gate
20 h 20 apart on the timetable, overnight
FR 802 leaves 20 h 20 after FR 74 arrives on the timetable: more than half a day, so not a connection we count.