FR 1815 then TP 833 at Fiumicino
Porto → Rome → Lisbon
Timetable, Rome time
20:15FR 1815 from Porto at the gate
12:15TP 833 to Lisbon leaves the gate
16 h apart on the timetable, overnight
TP 833 leaves 16 h after FR 1815 arrives on the timetable: more than half a day, so not a connection we count.