FR 6927 then W6 1046 at Fiumicino
Barcelona → Rome → Katowice
Timetable, Rome time
21:15FR 6927 from Barcelona at the gate
19:00W6 1046 to Katowice leaves the gate
21 h 45 apart on the timetable, overnight
W6 1046 leaves 21 h 45 after FR 6927 arrives on the timetable: more than half a day, so not a connection we count.