FR 776 then LA 5768 at Barcelona
Venezia → Barcelona → Santander
Timetable, Barcelona time
15:35FR 776 from Venezia at the gate
11:00LA 5768 to Santander leaves the gate
19 h 25 apart on the timetable, overnight
LA 5768 leaves 19 h 25 after FR 776 arrives on the timetable: more than half a day, so not a connection we count.