W6 4315 then W6 4758 at Fiumicino
Sofia → Rome → Skopje
Timetable, Rome time
19:35W6 4315 from Sofia at the gate
18:20W6 4758 to Skopje leaves the gate
22 h 45 apart on the timetable, overnight
W6 4758 leaves 22 h 45 after W6 4315 arrives on the timetable: more than half a day, so not a connection we count.