V7 2164 then LA 5794 at Barcelona
Nantes → Barcelona → Vigo
Timetable, Barcelona time
20:10V7 2164 from Nantes at the gate
18:15LA 5794 to Vigo leaves the gate
22 h 05 apart on the timetable, overnight
LA 5794 leaves 22 h 05 after V7 2164 arrives on the timetable: more than half a day, so not a connection we count.