U2 6104 then GQ 821 at Fiumicino
Munich → Rome → Athens
Timetable, Rome time
16:15U2 6104 from Munich at the gate
13:00GQ 821 to Athens leaves the gate
20 h 45 apart on the timetable, overnight
GQ 821 leaves 20 h 45 after U2 6104 arrives on the timetable: more than half a day, so not a connection we count.