V7 1444 then V7 2165 at Barcelona
Olbia → Barcelona → Nantes
Timetable, Barcelona time
08:05V7 1444 from Olbia at the gate
20:50V7 2165 to Nantes leaves the gate
12 h 45 apart on the timetable
V7 2165 leaves 12 h 45 after V7 1444 arrives on the timetable: more than half a day, so not a connection we count.