W6 1045 then FR 1003 at Fiumicino
Katowice → Rome → Valencia
Timetable, Rome time
18:35W6 1045 from Katowice at the gate
10:35FR 1003 to Valencia leaves the gate
16 h apart on the timetable, overnight
FR 1003 leaves 16 h after W6 1045 arrives on the timetable: more than half a day, so not a connection we count.