TP 836 then FR 6974 at Fiumicino
Lisbon → Rome → Barcelona
Timetable, Rome time
18:45TP 836 from Lisbon at the gate
13:05FR 6974 to Barcelona leaves the gate
18 h 20 apart on the timetable, overnight
FR 6974 leaves 18 h 20 after TP 836 arrives on the timetable: more than half a day, so not a connection we count.