FR 7538 then W6 1914 at Barcelona
Milan → Barcelona → Vilnius
Timetable, Barcelona time
00:40FR 7538 from Milan at the gate
20:05W6 1914 to Vilnius leaves the gate
19 h 25 apart on the timetable
W6 1914 leaves 19 h 25 after FR 7538 arrives on the timetable: more than half a day, so not a connection we count.