GQ 820 then FR 7178 at Fiumicino
Athens → Rome → Vienna
Timetable, Rome time
12:00GQ 820 from Athens at the gate
06:15FR 7178 to Vienna leaves the gate
18 h 15 apart on the timetable, overnight
FR 7178 leaves 18 h 15 after GQ 820 arrives on the timetable: more than half a day, so not a connection we count.