LL 5107 then FR 2507 at Barcelona
Prague → Barcelona → Cologne
Timetable, Barcelona time
13:15LL 5107 from Prague at the gate
06:20FR 2507 to Cologne leaves the gate
17 h 05 apart on the timetable, overnight
FR 2507 leaves 17 h 05 after LL 5107 arrives on the timetable: more than half a day, so not a connection we count.