OS 764 then FR 9480 at Vienna
Skopje → Vienna → Cologne
Timetable, Vienna time
06:05OS 764 from Skopje at the gate
18:35FR 9480 to Cologne leaves the gate
12 h 30 apart on the timetable
FR 9480 leaves 12 h 30 after OS 764 arrives on the timetable: more than half a day, so not a connection we count.