FR 2234 then FR 4587 at Barcelona
Nador → Barcelona → Porto
Timetable, Barcelona time
17:05FR 2234 from Nador at the gate
09:50FR 4587 to Porto leaves the gate
16 h 45 apart on the timetable, overnight
FR 4587 leaves 16 h 45 after FR 2234 arrives on the timetable: more than half a day, so not a connection we count.