V7 2164 then LA 5758 at Barcelona
Nantes → Barcelona → Rome
Timetable, Barcelona time
20:10V7 2164 from Nantes at the gate
14:40LA 5758 to Rome leaves the gate
18 h 30 apart on the timetable, overnight
LA 5758 leaves 18 h 30 after V7 2164 arrives on the timetable: more than half a day, so not a connection we count.