W4 6803 then FR 6974 at Fiumicino
Torino → Rome → Barcelona
Timetable, Rome time
19:15W4 6803 from Torino at the gate
13:05FR 6974 to Barcelona leaves the gate
17 h 50 apart on the timetable, overnight
FR 6974 leaves 17 h 50 after W4 6803 arrives on the timetable: more than half a day, so not a connection we count.