W4 6833 then IB 5146 at Barcelona
Torino → Barcelona → Seville
Timetable, Barcelona time
12:30W4 6833 from Torino at the gate
09:10IB 5146 to Seville leaves the gate
20 h 40 apart on the timetable, overnight
IB 5146 leaves 20 h 40 after W4 6833 arrives on the timetable: more than half a day, so not a connection we count.