EC 4427 then EC 4764 at Lisbon
Lyon → Lisbon → Nantes
Timetable, Lisbon time
17:10EC 4427 from Lyon at the gate
11:25EC 4764 to Nantes leaves the gate
18 h 15 apart on the timetable, overnight
EC 4764 leaves 18 h 15 after EC 4427 arrives on the timetable: more than half a day, so not a connection we count.