DY 2002 then DY 372 at Oslo
Riga → Oslo → Tromso
Timetable, Oslo time
15:40DY 2002 from Riga at the gate
10:00DY 372 to Tromso leaves the gate
18 h 20 apart on the timetable, overnight
DY 372 leaves 18 h 20 after DY 2002 arrives on the timetable: more than half a day, so not a connection we count.