FR 8599 then FR 8631 at Barcelona
Reggio Calabria → Barcelona → Tangier
Timetable, Barcelona time
18:55FR 8599 from Reggio Calabria at the gate
10:55FR 8631 to Tangier leaves the gate
16 h apart on the timetable, overnight
FR 8631 leaves 16 h after FR 8599 arrives on the timetable: more than half a day, so not a connection we count.