EC 1703 then A3 701 at Madrid
Nice → Madrid → Athens
Timetable, Madrid time
20:40EC 1703 from Nice at the gate
13:05A3 701 to Athens leaves the gate
16 h 25 apart on the timetable, overnight
A3 701 leaves 16 h 25 after EC 1703 arrives on the timetable: more than half a day, so not a connection we count.