FR 406 then FR 4856 at Fiumicino
Copenhagen → Rome → Catania
Timetable, Rome time
17:35FR 406 from Copenhagen at the gate
08:25FR 4856 to Catania leaves the gate
14 h 50 apart on the timetable, overnight
FR 4856 leaves 14 h 50 after FR 406 arrives on the timetable: more than half a day, so not a connection we count.