FR 574 then QR 3545 at Barcelona
Bologna → Barcelona → Santiago de Compostela
Timetable, Barcelona time
21:10FR 574 from Bologna at the gate
10:00QR 3545 to Santiago de Compostela leaves the gate
12 h 50 apart on the timetable, overnight
QR 3545 leaves 12 h 50 after FR 574 arrives on the timetable: more than half a day, so not a connection we count.