FR 5315 then W4 6081 at Fiumicino
Madrid → Rome → Constanta
Timetable, Rome time
20:30FR 5315 from Madrid at the gate
19:55W4 6081 to Constanta leaves the gate
23 h 25 apart on the timetable, overnight
W4 6081 leaves 23 h 25 after FR 5315 arrives on the timetable: more than half a day, so not a connection we count.