EC 7681 then LL 5480 at Barcelona
Lisbon → Barcelona → Nantes
Timetable, Barcelona time
21:50EC 7681 from Lisbon at the gatealso U2 7681
10:45LL 5480 to Nantes leaves the gate
12 h 55 apart on the timetable, overnight
LL 5480 leaves 12 h 55 after EC 7681 arrives on the timetable: more than half a day, so not a connection we count.