QR 3752 then DY 5502 at Barcelona
Nice → Barcelona → Stockholm
Timetable, Barcelona time
10:15QR 3752 from Nice at the gatealso IB 5475, LA 5805, VY 8135
08:00DY 5502 to Stockholm leaves the gate
21 h 45 apart on the timetable, overnight
DY 5502 leaves 21 h 45 after QR 3752 arrives on the timetable: more than half a day, so not a connection we count.