FR 3181 then LA 5745 at Barcelona
Rome → Barcelona → Bilbao
Timetable, Barcelona time
15:05FR 3181 from Rome at the gate
12:35LA 5745 to Bilbao leaves the gate
21 h 30 apart on the timetable, overnight
LA 5745 leaves 21 h 30 after FR 3181 arrives on the timetable: more than half a day, so not a connection we count.