SK 1842 then SK 491 at Arlanda
Rome → Stockholm → Oslo
Timetable, Stockholm time
23:55SK 1842 from Rome at the gate
16:20SK 491 to Oslo leaves the gate
16 h 25 apart on the timetable, overnight
SK 491 leaves 16 h 25 after SK 1842 arrives on the timetable: more than half a day, so not a connection we count.