LA 5843 then FR 777 at Barcelona
Vigo → Barcelona → Venezia
Timetable, Barcelona time
01:40LA 5843 from Vigo at the gate
13:50FR 777 to Venezia leaves the gate
12 h 10 apart on the timetable
FR 777 leaves 12 h 10 after LA 5843 arrives on the timetable: more than half a day, so not a connection we count.