W4 9718 then FR 999 at Fiumicino
Rzeszow → Rome → Valencia
Timetable, Rome time
12:57W4 9718 from Rzeszow at the gate
10:35FR 999 to Valencia leaves the gate
21 h 38 apart on the timetable, overnight
FR 999 leaves 21 h 38 after W4 9718 arrives on the timetable: more than half a day, so not a connection we count.