FR 4586 then LA 5758 at Barcelona
Porto → Barcelona → Copenhagen
Timetable, Barcelona time
21:10FR 4586 from Porto at the gate
17:55LA 5758 to Copenhagen leaves the gate
20 h 45 apart on the timetable, overnight
LA 5758 leaves 20 h 45 after FR 4586 arrives on the timetable: more than half a day, so not a connection we count.