OS 978 then FR 9485 at Vienna
Oslo → Vienna → Cologne
Timetable, Vienna time
16:40OS 978 from Oslo at the gate
08:15FR 9485 to Cologne leaves the gate
15 h 35 apart on the timetable, overnight
FR 9485 leaves 15 h 35 after OS 978 arrives on the timetable: more than half a day, so not a connection we count.