FR 2251 then FR 3185 at Barcelona
Marrakesh → Barcelona → Rabat
Timetable, Barcelona time
20:35FR 2251 from Marrakesh at the gate
12:05FR 3185 to Rabat leaves the gate
15 h 30 apart on the timetable, overnight
FR 3185 leaves 15 h 30 after FR 2251 arrives on the timetable: more than half a day, so not a connection we count.