FR 9673 then IB 439 at Madrid
Rome → Madrid → Bilbao
Timetable, Madrid time
23:30FR 9673 from Rome at the gate
19:45IB 439 to Bilbao leaves the gatealso VY 5009, BT 5146, LA 5424, AV 6080, QR 6529, PC 7910
20 h 15 apart on the timetable, overnight
IB 439 leaves 20 h 15 after FR 9673 arrives on the timetable: more than half a day, so not a connection we count.