LS 1337 then LA 5768 at Barcelona
Birmingham (UK) → Barcelona → Santander
Timetable, Barcelona time
19:00LS 1337 from Birmingham (UK) at the gate
11:00LA 5768 to Santander leaves the gate
16 h apart on the timetable, overnight
LA 5768 leaves 16 h after LS 1337 arrives on the timetable: more than half a day, so not a connection we count.