FR 1644 then EW 9753 at Vienna
Rome → Vienna → Düsseldorf
Timetable, Vienna time
21:30FR 1644 from Rome at the gate
16:35EW 9753 to Düsseldorf leaves the gate
19 h 05 apart on the timetable, overnight
EW 9753 leaves 19 h 05 after FR 1644 arrives on the timetable: more than half a day, so not a connection we count.