EC 7174 then QR 3547 at Barcelona
Berlin → Barcelona → Santiago de Compostela
Timetable, Barcelona time
23:05EC 7174 from Berlin at the gate
21:15QR 3547 to Santiago de Compostela leaves the gate
22 h 10 apart on the timetable, overnight
QR 3547 leaves 22 h 10 after EC 7174 arrives on the timetable: more than half a day, so not a connection we count.