LA 5745 then LH 1815 at Barcelona
Rome → Barcelona → Munich
Timetable, Barcelona time
01:25LA 5745 from Rome at the gate
18:20LH 1815 to Munich leaves the gate
16 h 55 apart on the timetable
LH 1815 leaves 16 h 55 after LA 5745 arrives on the timetable: more than half a day, so not a connection we count.