DY 2030 then FR 7678 at Arlanda
Riga → Stockholm → Poznan
Timetable, Stockholm time
07:40DY 2030 from Riga at the gate
21:15FR 7678 to Poznan leaves the gate
13 h 35 apart on the timetable
FR 7678 leaves 13 h 35 after DY 2030 arrives on the timetable: more than half a day, so not a connection we count.