EW 9440 then FR 2507 at Barcelona
Düsseldorf → Barcelona → Cologne
Timetable, Barcelona time
09:00EW 9440 from Düsseldorf at the gate
06:20FR 2507 to Cologne leaves the gate
21 h 20 apart on the timetable, overnight
FR 2507 leaves 21 h 20 after EW 9440 arrives on the timetable: more than half a day, so not a connection we count.