W4 6220 then FR 4852 at Fiumicino
Lisbon → Rome → Catania
Timetable, Rome time
13:10W4 6220 from Lisbon at the gate
09:35FR 4852 to Catania leaves the gate
20 h 25 apart on the timetable, overnight
FR 4852 leaves 20 h 25 after W4 6220 arrives on the timetable: more than half a day, so not a connection we count.