QR 3774 then IB 5482 at Barcelona
Torino → Barcelona → Istanbul
Timetable, Barcelona time
16:25QR 3774 from Torino at the gatealso IB 5811, LL 5811, VY 6129
12:50IB 5482 to Istanbul leaves the gatealso LL 5482, VY 8610
20 h 25 apart on the timetable, overnight
IB 5482 leaves 20 h 25 after QR 3774 arrives on the timetable: more than half a day, so not a connection we count.