FR 4857 then DY 4356 at Fiumicino
Catania → Rome → Stockholm
Timetable, Rome time
12:35FR 4857 from Catania at the gate
10:40DY 4356 to Stockholm leaves the gate
22 h 05 apart on the timetable, overnight
DY 4356 leaves 22 h 05 after FR 4857 arrives on the timetable: more than half a day, so not a connection we count.