EW 2520 then LA 5760 at Barcelona
Stuttgart → Barcelona → Hondarribia
Timetable, Barcelona time
14:25EW 2520 from Stuttgart at the gate
12:20LA 5760 to Hondarribia leaves the gate
21 h 55 apart on the timetable, overnight
LA 5760 leaves 21 h 55 after EW 2520 arrives on the timetable: more than half a day, so not a connection we count.