FR 3180 then FR 1644 at Fiumicino
Barcelona → Rome → Vienna
Timetable, Rome time
09:50FR 3180 from Barcelona at the gate
09:05FR 1644 to Vienna leaves the gate
23 h 15 apart on the timetable, overnight
FR 1644 leaves 23 h 15 after FR 3180 arrives on the timetable: more than half a day, so not a connection we count.