FR 9601 then IB 421 at Madrid
Rome → Madrid → Barcelona
Timetable, Madrid time
19:10FR 9601 from Rome at the gate
18:00IB 421 to Barcelona leaves the gatealso IB 421S, LL 3021, VY 5122, AV 6170, QR 6971
22 h 50 apart on the timetable, overnight
IB 421 leaves 22 h 50 after FR 9601 arrives on the timetable: more than half a day, so not a connection we count.