FR 9673 then V7 2273 at Madrid
Rome → Madrid → Nantes
Timetable, Madrid time
16:00FR 9673 from Rome at the gate
12:25V7 2273 to Nantes leaves the gate
20 h 25 apart on the timetable, overnight
V7 2273 leaves 20 h 25 after FR 9673 arrives on the timetable: more than half a day, so not a connection we count.