LA 5745 then QR 146 at Barcelona
Rome → Barcelona → Doha
Timetable, Barcelona time
01:25LA 5745 from Rome at the gate
15:20QR 146 to Doha leaves the gate
13 h 55 apart on the timetable
QR 146 leaves 13 h 55 after LA 5745 arrives on the timetable: more than half a day, so not a connection we count.