W4 6315 then LO 4704 at Barcelona
Milan → Barcelona → Lisbon
Timetable, Barcelona time
12:25W4 6315 from Milan at the gate
10:55LO 4704 to Lisbon leaves the gate
22 h 30 apart on the timetable, overnight
LO 4704 leaves 22 h 30 after W4 6315 arrives on the timetable: more than half a day, so not a connection we count.