FR 1815 then W4 2342 at Fiumicino
Porto → Rome → Budapest
Timetable, Rome time
20:25FR 1815 from Porto at the gate
14:20W4 2342 to Budapest leaves the gate
17 h 55 apart on the timetable, overnight
W4 2342 leaves 17 h 55 after FR 1815 arrives on the timetable: more than half a day, so not a connection we count.