FR 1799 then FR 1768 at Lisbon
Toulouse → Lisbon → Valencia
Timetable, Lisbon time
23:55FR 1799 from Toulouse at the gate
14:25FR 1768 to Valencia leaves the gate
14 h 30 apart on the timetable, overnight
FR 1768 leaves 14 h 30 after FR 1799 arrives on the timetable: more than half a day, so not a connection we count.