FR 6926 then A3 713 at Barcelona
Rome → Barcelona → Athens
Timetable, Barcelona time
21:10FR 6926 from Rome at the gate
20:00A3 713 to Athens leaves the gate
22 h 50 apart on the timetable, overnight
A3 713 leaves 22 h 50 after FR 6926 arrives on the timetable: more than half a day, so not a connection we count.