FR 853 then FR 1768 at Lisbon
Treviso → Lisbon → Valencia
Timetable, Lisbon time
16:05FR 853 from Treviso at the gate
14:25FR 1768 to Valencia leaves the gate
22 h 20 apart on the timetable, overnight
FR 1768 leaves 22 h 20 after FR 853 arrives on the timetable: more than half a day, so not a connection we count.