FR 4855 then FR 7178 at Fiumicino
Catania → Rome → Vienna
Timetable, Rome time
23:59FR 4855 from Catania at the gate
21:10FR 7178 to Vienna leaves the gate
21 h 11 apart on the timetable, overnight
FR 7178 leaves 21 h 11 after FR 4855 arrives on the timetable: more than half a day, so not a connection we count.