QR 3630 then QR 3618 at Barcelona
Firenze → Barcelona → Bordeaux
Timetable, Barcelona time
14:55QR 3630 from Firenze at the gatealso IB 5375, LL 5375, VY 6075
07:40QR 3618 to Bordeaux leaves the gatealso IB 5460, LL 5460, VY 8120
16 h 45 apart on the timetable, overnight
QR 3618 leaves 16 h 45 after QR 3630 arrives on the timetable: more than half a day, so not a connection we count.