QR 3711 then LA 5752 at Barcelona
Mahón → Barcelona → Bilbao
Timetable, Barcelona time
14:40QR 3711 from Mahón at the gate
12:35LA 5752 to Bilbao leaves the gate
21 h 55 apart on the timetable, overnight
LA 5752 leaves 21 h 55 after QR 3711 arrives on the timetable: more than half a day, so not a connection we count.