LA 5745 then LA 5784 at Barcelona
Rome → Barcelona → Seville
Timetable, Barcelona time
01:25LA 5745 from Rome at the gate
14:35LA 5784 to Seville leaves the gate
13 h 10 apart on the timetable
LA 5784 leaves 13 h 10 after LA 5745 arrives on the timetable: more than half a day, so not a connection we count.