SK 455 then SK 2773 at Copenhagen
Oslo → Copenhagen → Porto
Timetable, Copenhagen time
10:15SK 455 from Oslo at the gate
09:35SK 2773 to Porto leaves the gate
23 h 20 apart on the timetable, overnight
SK 2773 leaves 23 h 20 after SK 455 arrives on the timetable: more than half a day, so not a connection we count.