A3 654 then FR 4852 at Fiumicino
Athens → Rome → Catania
Timetable, Rome time
17:35A3 654 from Athens at the gate
06:15FR 4852 to Catania leaves the gate
12 h 40 apart on the timetable, overnight
FR 4852 leaves 12 h 40 after A3 654 arrives on the timetable: more than half a day, so not a connection we count.