FR 44 then EW 757 at Vienna
Athens → Vienna → Cologne
Timetable, Vienna time
07:25FR 44 from Athens at the gate
20:15EW 757 to Cologne leaves the gate
12 h 50 apart on the timetable
EW 757 leaves 12 h 50 after FR 44 arrives on the timetable: more than half a day, so not a connection we count.