IB 60 then EC 1704 at Madrid
Seville → Madrid → Nice
Timetable, Madrid time
19:20IB 60 from Seville at the gate
13:10EC 1704 to Nice leaves the gate
17 h 50 apart on the timetable, overnight
EC 1704 leaves 17 h 50 after IB 60 arrives on the timetable: more than half a day, so not a connection we count.