FR 4855 then AZ 1675 at Fiumicino
Catania → Rome → Firenze
Timetable, Rome time
17:10FR 4855 from Catania at the gate
09:45AZ 1675 to Firenze leaves the gate
16 h 35 apart on the timetable, overnight
AZ 1675 leaves 16 h 35 after FR 4855 arrives on the timetable: more than half a day, so not a connection we count.