W4 6046 then FR 4437 at Fiumicino
Valencia → Rome → Riga
Timetable, Rome time
00:10W4 6046 from Valencia at the gate
16:10FR 4437 to Riga leaves the gate
16 h apart on the timetable
FR 4437 leaves 16 h after W4 6046 arrives on the timetable: more than half a day, so not a connection we count.