FR 9601 then AZ 2464 at Madrid
Rome → Madrid → Bilbao
Timetable, Madrid time
21:20FR 9601 from Rome at the gate
15:00AZ 2464 to Bilbao leaves the gatealso KL 3375, EY 4370, SV 4744, DL 6759, AD 6933, AM 6965, UX 7153, SK 8367, RO 9443
17 h 40 apart on the timetable, overnight
AZ 2464 leaves 17 h 40 after FR 9601 arrives on the timetable: more than half a day, so not a connection we count.