KL 1604 then FR 421 at Schiphol
Rome → Amsterdam → Dublin
Timetable, Amsterdam time
15:20KL 1604 from Rome at the gate
14:05FR 421 to Dublin leaves the gate
22 h 45 apart on the timetable, overnight
FR 421 leaves 22 h 45 after KL 1604 arrives on the timetable: more than half a day, so not a connection we count.