FR 9481 then FR 51 at Vienna
Cologne → Vienna → Treviso
Timetable, Vienna time
22:10FR 9481 from Cologne at the gate
14:00FR 51 to Treviso leaves the gate
15 h 50 apart on the timetable, overnight
FR 51 leaves 15 h 50 after FR 9481 arrives on the timetable: more than half a day, so not a connection we count.