GQ 820 then FR 4906 at Fiumicino
Athens → Rome → Palermo
Timetable, Rome time
12:00GQ 820 from Athens at the gate
05:45FR 4906 to Palermo leaves the gate
17 h 45 apart on the timetable, overnight
FR 4906 leaves 17 h 45 after GQ 820 arrives on the timetable: more than half a day, so not a connection we count.