SK 90 then SK 20 at Arlanda
Visby → Stockholm → Lulea
Timetable, Stockholm time
20:20SK 90 from Visby at the gate
18:40SK 20 to Lulea leaves the gate
22 h 20 apart on the timetable, overnight
SK 20 leaves 22 h 20 after SK 90 arrives on the timetable: more than half a day, so not a connection we count.