FR 776 then FR 6927 at Barcelona
Venezia → Barcelona → Rome
Timetable, Barcelona time
14:55FR 776 from Venezia at the gate
09:05FR 6927 to Rome leaves the gate
18 h 10 apart on the timetable, overnight
FR 6927 leaves 18 h 10 after FR 776 arrives on the timetable: more than half a day, so not a connection we count.