W4 6017 then FR 3140 at Barcelona
Rome → Barcelona → Luxembourg
Timetable, Barcelona time
08:45W4 6017 from Rome at the gate
06:25FR 3140 to Luxembourg leaves the gate
21 h 40 apart on the timetable, overnight
FR 3140 leaves 21 h 40 after W4 6017 arrives on the timetable: more than half a day, so not a connection we count.