FR 1815 then FR 993 at Fiumicino
Porto → Rome → Valencia
Timetable, Rome time
20:15FR 1815 from Porto at the gate
17:50FR 993 to Valencia leaves the gate
21 h 35 apart on the timetable, overnight
FR 993 leaves 21 h 35 after FR 1815 arrives on the timetable: more than half a day, so not a connection we count.