AT 1668 then FR 4587 at Barcelona
Tetouan → Barcelona → Porto
Timetable, Barcelona time
18:00AT 1668 from Tetouan at the gate
09:50FR 4587 to Porto leaves the gate
15 h 50 apart on the timetable, overnight
FR 4587 leaves 15 h 50 after AT 1668 arrives on the timetable: more than half a day, so not a connection we count.