FR 879 then FR 2507 at Barcelona
Venezia → Barcelona → Cologne
Timetable, Barcelona time
07:50FR 879 from Venezia at the gate
06:20FR 2507 to Cologne leaves the gate
22 h 30 apart on the timetable, overnight
FR 2507 leaves 22 h 30 after FR 879 arrives on the timetable: more than half a day, so not a connection we count.