FR 776 then LA 5744 at Barcelona
Venezia → Barcelona → Nantes
Timetable, Barcelona time
15:35FR 776 from Venezia at the gate
13:40LA 5744 to Nantes leaves the gate
22 h 05 apart on the timetable, overnight
LA 5744 leaves 22 h 05 after FR 776 arrives on the timetable: more than half a day, so not a connection we count.