W4 6066 then FR 999 at Fiumicino
Prague → Rome → Valencia
Timetable, Rome time
16:55W4 6066 from Prague at the gate
14:55FR 999 to Valencia leaves the gate
22 h apart on the timetable, overnight
FR 999 leaves 22 h after W4 6066 arrives on the timetable: more than half a day, so not a connection we count.