FR 3180 then FR 4872 at Fiumicino
Barcelona → Rome → Catania
Timetable, Rome time
09:50FR 3180 from Barcelona at the gate
08:30FR 4872 to Catania leaves the gate
22 h 40 apart on the timetable, overnight
FR 4872 leaves 22 h 40 after FR 3180 arrives on the timetable: more than half a day, so not a connection we count.