FR 4855 then FR 6007 at Fiumicino
Catania → Rome → Porto
Timetable, Rome time
07:50FR 4855 from Catania at the gate
21:25FR 6007 to Porto leaves the gate
13 h 35 apart on the timetable
FR 6007 leaves 13 h 35 after FR 4855 arrives on the timetable: more than half a day, so not a connection we count.