FR 166 then FR 4872 at Fiumicino
Beauvais → Rome → Catania
Timetable, Rome time
10:45FR 166 from Beauvais at the gate
08:30FR 4872 to Catania leaves the gate
21 h 45 apart on the timetable, overnight
FR 4872 leaves 21 h 45 after FR 166 arrives on the timetable: more than half a day, so not a connection we count.