FR 1645 then FR 1198 at Fiumicino
Vienna → Rome → Athens
Timetable, Rome time
22:10FR 1645 from Vienna at the gate
12:10FR 1198 to Athens leaves the gate
14 h apart on the timetable, overnight
FR 1198 leaves 14 h after FR 1645 arrives on the timetable: more than half a day, so not a connection we count.