FR 4855 then W4 6027 at Fiumicino
Catania → Rome → Valencia
Timetable, Rome time
23:59FR 4855 from Catania at the gate
12:35W4 6027 to Valencia leaves the gate
12 h 36 apart on the timetable, overnight
W4 6027 leaves 12 h 36 after FR 4855 arrives on the timetable: more than half a day, so not a connection we count.