FR 4586 then W4 6018 at Barcelona
Porto → Barcelona → Rome
Timetable, Barcelona time
19:45FR 4586 from Porto at the gate
10:00W4 6018 to Rome leaves the gate
14 h 15 apart on the timetable, overnight
W4 6018 leaves 14 h 15 after FR 4586 arrives on the timetable: more than half a day, so not a connection we count.