EW 2520 then EC 3750 at Barcelona
Stuttgart → Barcelona → Milan
Timetable, Barcelona time
08:35EW 2520 from Stuttgart at the gate
22:05EC 3750 to Milan leaves the gate
13 h 30 apart on the timetable
EC 3750 leaves 13 h 30 after EW 2520 arrives on the timetable: more than half a day, so not a connection we count.