BT 101 then DY 4355 at Arlanda
Riga → Stockholm → Rome
Timetable, Stockholm time
07:20BT 101 from Riga at the gate
06:55DY 4355 to Rome leaves the gate
23 h 35 apart on the timetable, overnight
DY 4355 leaves 23 h 35 after BT 101 arrives on the timetable: more than half a day, so not a connection we count.