A3 560 then FR 2507 at Barcelona
Thessaloniki → Barcelona → Cologne
Timetable, Barcelona time
17:05A3 560 from Thessaloniki at the gate
06:20FR 2507 to Cologne leaves the gate
13 h 15 apart on the timetable, overnight
FR 2507 leaves 13 h 15 after A3 560 arrives on the timetable: more than half a day, so not a connection we count.