QR 3774 then LA 5775 at Barcelona
Torino → Barcelona → Nantes
Timetable, Barcelona time
16:25QR 3774 from Torino at the gatealso IB 5811, LL 5811, VY 6129
13:40LA 5775 to Nantes leaves the gate
21 h 15 apart on the timetable, overnight
LA 5775 leaves 21 h 15 after QR 3774 arrives on the timetable: more than half a day, so not a connection we count.