QR 3754 then FR 2330 at Barcelona
Santander → Barcelona → Nador
Timetable, Barcelona time
19:05QR 3754 from Santander at the gate
11:15FR 2330 to Nador leaves the gate
16 h 10 apart on the timetable, overnight
FR 2330 leaves 16 h 10 after QR 3754 arrives on the timetable: more than half a day, so not a connection we count.