FR 1171 then FR 2437 at Fiumicino
Catania → Rome → Madrid
Timetable, Rome time
16:00FR 1171 from Catania at the gate
06:25FR 2437 to Madrid leaves the gate
14 h 25 apart on the timetable, overnight
FR 2437 leaves 14 h 25 after FR 1171 arrives on the timetable: more than half a day, so not a connection we count.