FR 8916 then FR 8837 at Fiumicino
Trapani → Rome → Zagreb
Timetable, Rome time
16:20FR 8916 from Trapani at the gate
12:00FR 8837 to Zagreb leaves the gate
19 h 40 apart on the timetable, overnight
FR 8837 leaves 19 h 40 after FR 8916 arrives on the timetable: more than half a day, so not a connection we count.