BT 683 then FR 6341 at Barcelona
Riga → Barcelona → Rome
Timetable, Barcelona time
16:15BT 683 from Riga at the gatealso IB 7847
13:00FR 6341 to Rome leaves the gate
20 h 45 apart on the timetable, overnight
FR 6341 leaves 20 h 45 after BT 683 arrives on the timetable: more than half a day, so not a connection we count.