FR 6926 then LA 5759 at Barcelona
Rome → Barcelona → Geneva
Timetable, Barcelona time
21:10FR 6926 from Rome at the gate
15:15LA 5759 to Geneva leaves the gate
18 h 05 apart on the timetable, overnight
LA 5759 leaves 18 h 05 after FR 6926 arrives on the timetable: more than half a day, so not a connection we count.