FR 1644 then OS 185 at Vienna
Rome → Vienna → Munich
Timetable, Vienna time
21:30FR 1644 from Rome at the gate
13:20OS 185 to Munich leaves the gate
15 h 50 apart on the timetable, overnight
OS 185 leaves 15 h 50 after FR 1644 arrives on the timetable: more than half a day, so not a connection we count.