U2 1683 then FR 5816 at Fiumicino
Nice → Rome → Bari
Timetable, Rome time
19:10U2 1683 from Nice at the gate
17:45FR 5816 to Bari leaves the gate
22 h 35 apart on the timetable, overnight
FR 5816 leaves 22 h 35 after U2 1683 arrives on the timetable: more than half a day, so not a connection we count.