U2 5079 then FR 4437 at Fiumicino
Berlin → Rome → Riga
Timetable, Rome time
08:10U2 5079 from Berlin at the gate
06:00FR 4437 to Riga leaves the gate
21 h 50 apart on the timetable, overnight
FR 4437 leaves 21 h 50 after U2 5079 arrives on the timetable: more than half a day, so not a connection we count.