AZ 79 then FR 999 at Fiumicino
Barcelona → Rome → Valencia
Timetable, Rome time
18:35AZ 79 from Barcelona at the gate
16:35FR 999 to Valencia leaves the gate
22 h apart on the timetable, overnight
FR 999 leaves 22 h after AZ 79 arrives on the timetable: more than half a day, so not a connection we count.