FR 6927 then AZ 578 at Fiumicino
Barcelona → Rome → Geneva
Timetable, Rome time
18:40FR 6927 from Barcelona at the gate
16:30AZ 578 to Geneva leaves the gate
21 h 50 apart on the timetable, overnight
AZ 578 leaves 21 h 50 after FR 6927 arrives on the timetable: more than half a day, so not a connection we count.