FR 4584 then EC 7109 at Barcelona
Porto → Barcelona → Geneva
Timetable, Barcelona time
18:55FR 4584 from Porto at the gate
10:30EC 7109 to Geneva leaves the gate
15 h 35 apart on the timetable, overnight
EC 7109 leaves 15 h 35 after FR 4584 arrives on the timetable: more than half a day, so not a connection we count.