TU 752 then W4 6131 at Fiumicino
Tunis → Rome → Nice
Timetable, Rome time
14:25TU 752 from Tunis at the gate
12:00W4 6131 to Nice leaves the gate
21 h 35 apart on the timetable, overnight
W4 6131 leaves 21 h 35 after TU 752 arrives on the timetable: more than half a day, so not a connection we count.