OS 680 then FR 9485 at Vienna
Krakow → Vienna → Cologne
Timetable, Vienna time
15:45OS 680 from Krakow at the gate
08:15FR 9485 to Cologne leaves the gate
16 h 30 apart on the timetable, overnight
FR 9485 leaves 16 h 30 after OS 680 arrives on the timetable: more than half a day, so not a connection we count.