DY 3658 then IB 5170 at Barcelona
Copenhagen → Barcelona → Bilbao
Timetable, Barcelona time
20:00DY 3658 from Copenhagen at the gate
15:35IB 5170 to Bilbao leaves the gate
19 h 35 apart on the timetable, overnight
IB 5170 leaves 19 h 35 after DY 3658 arrives on the timetable: more than half a day, so not a connection we count.