FR 3075 then FR 6342 at Fiumicino
Brindisi → Rome → Barcelona
Timetable, Rome time
15:40FR 3075 from Brindisi at the gate
08:15FR 6342 to Barcelona leaves the gate
16 h 35 apart on the timetable, overnight
FR 6342 leaves 16 h 35 after FR 3075 arrives on the timetable: more than half a day, so not a connection we count.