W4 6017 then FR 878 at Barcelona
Rome → Barcelona → Venezia
Timetable, Barcelona time
08:45W4 6017 from Rome at the gate
08:30FR 878 to Venezia leaves the gate
23 h 45 apart on the timetable, overnight
FR 878 leaves 23 h 45 after W4 6017 arrives on the timetable: more than half a day, so not a connection we count.