FR 775 then FR 8215 at Barcelona
Torino → Barcelona → London Stansted
Timetable, Barcelona time
20:00FR 775 from Torino at the gate
11:25FR 8215 to London Stansted leaves the gate
15 h 25 apart on the timetable, overnight
FR 8215 leaves 15 h 25 after FR 775 arrives on the timetable: more than half a day, so not a connection we count.