DY 375 then DY 764 at Oslo
Tromso → Oslo → Trondheim
Timetable, Oslo time
20:30DY 375 from Tromso at the gate
17:50DY 764 to Trondheim leaves the gate
21 h 20 apart on the timetable, overnight
DY 764 leaves 21 h 20 after DY 375 arrives on the timetable: more than half a day, so not a connection we count.