FR 775 then LA 5768 at Barcelona
Torino → Barcelona → Santander
Timetable, Barcelona time
20:00FR 775 from Torino at the gate
11:00LA 5768 to Santander leaves the gate
15 h apart on the timetable, overnight
LA 5768 leaves 15 h after FR 775 arrives on the timetable: more than half a day, so not a connection we count.