FR 6927 then FR 9903 at Fiumicino
Barcelona → Rome → Lisbon
Timetable, Rome time
15:00FR 6927 from Barcelona at the gate
14:10FR 9903 to Lisbon leaves the gate
23 h 10 apart on the timetable, overnight
FR 9903 leaves 23 h 10 after FR 6927 arrives on the timetable: more than half a day, so not a connection we count.