OS 110 then FR 7177 at Vienna
Klagenfurt → Vienna → Rome
Timetable, Vienna time
12:00OS 110 from Klagenfurt at the gate
08:25FR 7177 to Rome leaves the gate
20 h 25 apart on the timetable, overnight
FR 7177 leaves 20 h 25 after OS 110 arrives on the timetable: more than half a day, so not a connection we count.