QR 3708 then EC 1298 at Barcelona
Nantes → Barcelona → Geneva
Timetable, Barcelona time
10:10QR 3708 from Nantes at the gatealso LA 5791
08:30EC 1298 to Geneva leaves the gate
22 h 20 apart on the timetable, overnight
EC 1298 leaves 22 h 20 after QR 3708 arrives on the timetable: more than half a day, so not a connection we count.