AZ 345 then FR 1198 at Fiumicino
Nice → Rome → Athens
Timetable, Rome time
16:30AZ 345 from Nice at the gate
12:10FR 1198 to Athens leaves the gate
19 h 40 apart on the timetable, overnight
FR 1198 leaves 19 h 40 after AZ 345 arrives on the timetable: more than half a day, so not a connection we count.