FR 40 then U2 1684 at Fiumicino
Berlin → Rome → Nice
Timetable, Rome time
14:30FR 40 from Berlin at the gate
11:35U2 1684 to Nice leaves the gate
21 h 05 apart on the timetable, overnight
U2 1684 leaves 21 h 05 after FR 40 arrives on the timetable: more than half a day, so not a connection we count.