EW 2520 then FR 6973 at Barcelona
Stuttgart → Barcelona → Rome
Timetable, Barcelona time
08:35EW 2520 from Stuttgart at the gate
23:00FR 6973 to Rome leaves the gate
14 h 25 apart on the timetable
FR 6973 leaves 14 h 25 after EW 2520 arrives on the timetable: more than half a day, so not a connection we count.