FR 7816 then FR 9903 at Fiumicino
Thessaloniki → Rome → Lisbon
Timetable, Rome time
17:30FR 7816 from Thessaloniki at the gate
14:10FR 9903 to Lisbon leaves the gate
20 h 40 apart on the timetable, overnight
FR 9903 leaves 20 h 40 after FR 7816 arrives on the timetable: more than half a day, so not a connection we count.