FR 914 then FR 4861 at Fiumicino
Stockholm → Rome → Catania
Timetable, Rome time
09:40FR 914 from Stockholm at the gate
09:15FR 4861 to Catania leaves the gate
23 h 35 apart on the timetable, overnight
FR 4861 leaves 23 h 35 after FR 914 arrives on the timetable: more than half a day, so not a connection we count.