BT 683 then QR 3566 at Barcelona
Riga → Barcelona → Rome
Timetable, Barcelona time
16:15BT 683 from Riga at the gatealso IB 7847
10:05QR 3566 to Rome leaves the gate
17 h 50 apart on the timetable, overnight
QR 3566 leaves 17 h 50 after BT 683 arrives on the timetable: more than half a day, so not a connection we count.