LL 5129 then FR 4545 at Barcelona
Alicante → Barcelona → Porto
Timetable, Barcelona time
08:05LL 5129 from Alicante at the gate
06:45FR 4545 to Porto leaves the gate
22 h 40 apart on the timetable, overnight
FR 4545 leaves 22 h 40 after LL 5129 arrives on the timetable: more than half a day, so not a connection we count.