EW 7520 then W4 6834 at Barcelona
Hamburg → Barcelona → Torino
Timetable, Barcelona time
18:45EW 7520 from Hamburg at the gate
13:05W4 6834 to Torino leaves the gate
18 h 20 apart on the timetable, overnight
W4 6834 leaves 18 h 20 after EW 7520 arrives on the timetable: more than half a day, so not a connection we count.