FR 4855 then GQ 821 at Fiumicino
Catania → Rome → Athens
Timetable, Rome time
23:59FR 4855 from Catania at the gate
13:00GQ 821 to Athens leaves the gate
13 h 01 apart on the timetable, overnight
GQ 821 leaves 13 h 01 after FR 4855 arrives on the timetable: more than half a day, so not a connection we count.