IB 5375 then FR 6341 at Barcelona
Firenze → Barcelona → Rome
Timetable, Barcelona time
16:55IB 5375 from Firenze at the gatealso LL 5375, VY 6075
14:30FR 6341 to Rome leaves the gate
21 h 35 apart on the timetable, overnight
FR 6341 leaves 21 h 35 after IB 5375 arrives on the timetable: more than half a day, so not a connection we count.