FR 8836 then FR 999 at Fiumicino
Zagreb → Rome → Valencia
Timetable, Rome time
18:25FR 8836 from Zagreb at the gate
14:55FR 999 to Valencia leaves the gate
20 h 30 apart on the timetable, overnight
FR 999 leaves 20 h 30 after FR 8836 arrives on the timetable: more than half a day, so not a connection we count.