FR 7816 then VY 6003 at Fiumicino
Thessaloniki → Rome → Barcelona
Timetable, Rome time
17:30FR 7816 from Thessaloniki at the gate
11:45VY 6003 to Barcelona leaves the gate
18 h 15 apart on the timetable, overnight
VY 6003 leaves 18 h 15 after FR 7816 arrives on the timetable: more than half a day, so not a connection we count.