W4 6254 then FR 999 at Fiumicino
Palermo → Rome → Valencia
Timetable, Rome time
17:20W4 6254 from Palermo at the gate
10:35FR 999 to Valencia leaves the gate
17 h 15 apart on the timetable, overnight
FR 999 leaves 17 h 15 after W4 6254 arrives on the timetable: more than half a day, so not a connection we count.