FR 1645 then FR 5816 at Fiumicino
Vienna → Rome → Bari
Timetable, Rome time
10:20FR 1645 from Vienna at the gate
08:15FR 5816 to Bari leaves the gate
21 h 55 apart on the timetable, overnight
FR 5816 leaves 21 h 55 after FR 1645 arrives on the timetable: more than half a day, so not a connection we count.