FR 2508 then FR 8598 at Barcelona
Cologne → Barcelona → Reggio Calabria
Timetable, Barcelona time
21:45FR 2508 from Cologne at the gate
19:40FR 8598 to Reggio Calabria leaves the gate
21 h 55 apart on the timetable, overnight
FR 8598 leaves 21 h 55 after FR 2508 arrives on the timetable: more than half a day, so not a connection we count.