FR 166 then FR 1644 at Fiumicino
Beauvais → Rome → Vienna
Timetable, Rome time
17:25FR 166 from Beauvais at the gate
09:05FR 1644 to Vienna leaves the gate
15 h 40 apart on the timetable, overnight
FR 1644 leaves 15 h 40 after FR 166 arrives on the timetable: more than half a day, so not a connection we count.