EW 520 then W4 6834 at Barcelona
Cologne → Barcelona → Torino
Timetable, Barcelona time
16:50EW 520 from Cologne at the gate
13:15W4 6834 to Torino leaves the gate
20 h 25 apart on the timetable, overnight
W4 6834 leaves 20 h 25 after EW 520 arrives on the timetable: more than half a day, so not a connection we count.