FR 6301 then FR 3185 at Barcelona
Sofia → Barcelona → Rabat
Timetable, Barcelona time
23:15FR 6301 from Sofia at the gate
19:25FR 3185 to Rabat leaves the gate
20 h 10 apart on the timetable, overnight
FR 3185 leaves 20 h 10 after FR 6301 arrives on the timetable: more than half a day, so not a connection we count.