QR 3530 then FR 2507 at Barcelona
Alicante → Barcelona → Cologne
Timetable, Barcelona time
18:25QR 3530 from Alicante at the gate
14:10FR 2507 to Cologne leaves the gate
19 h 45 apart on the timetable, overnight
FR 2507 leaves 19 h 45 after QR 3530 arrives on the timetable: more than half a day, so not a connection we count.