FR 3180 then FR 6007 at Fiumicino
Barcelona → Rome → Porto
Timetable, Rome time
11:15FR 3180 from Barcelona at the gate
10:55FR 6007 to Porto leaves the gate
23 h 40 apart on the timetable, overnight
FR 6007 leaves 23 h 40 after FR 3180 arrives on the timetable: more than half a day, so not a connection we count.