EC 6103 then LH 2270 at Munich
Rome → Munich → Nice
Timetable, Munich time
14:05EC 6103 from Rome at the gate
11:15LH 2270 to Nice leaves the gate
21 h 10 apart on the timetable, overnight
LH 2270 leaves 21 h 10 after EC 6103 arrives on the timetable: more than half a day, so not a connection we count.