FR 6926 then FR 867 at Barcelona
Rome → Barcelona → Venezia
Timetable, Barcelona time
07:45FR 6926 from Rome at the gate
22:50FR 867 to Venezia leaves the gate
15 h 05 apart on the timetable
FR 867 leaves 15 h 05 after FR 6926 arrives on the timetable: more than half a day, so not a connection we count.