FR 5316 then FR 1206 at Madrid
Rome → Madrid → Venezia
Timetable, Madrid time
16:05FR 5316 from Rome at the gate
10:20FR 1206 to Venezia leaves the gate
18 h 15 apart on the timetable, overnight
FR 1206 leaves 18 h 15 after FR 5316 arrives on the timetable: more than half a day, so not a connection we count.