EW 762 then LX 2140 at Zurich
Cologne → Zurich → Valencia
Timetable, Zurich time
07:50EW 762 from Cologne at the gate
07:00LX 2140 to Valencia leaves the gate
23 h 10 apart on the timetable, overnight
LX 2140 leaves 23 h 10 after EW 762 arrives on the timetable: more than half a day, so not a connection we count.