FR 4546 then W4 6834 at Barcelona
Porto → Barcelona → Torino
Timetable, Barcelona time
23:25FR 4546 from Porto at the gate
13:05W4 6834 to Torino leaves the gate
13 h 40 apart on the timetable, overnight
W4 6834 leaves 13 h 40 after FR 4546 arrives on the timetable: more than half a day, so not a connection we count.