EC 3749 then VY 1630 at Barcelona
Milan → Barcelona → Santiago de Compostela
Timetable, Barcelona time
21:30EC 3749 from Milan at the gate
15:25VY 1630 to Santiago de Compostela leaves the gatealso QR 3539, IB 5209, LL 5209
17 h 55 apart on the timetable, overnight
VY 1630 leaves 17 h 55 after EC 3749 arrives on the timetable: more than half a day, so not a connection we count.