EC 1703 then ME 4003 at Madrid
Nice → Madrid → Barcelona
Timetable, Madrid time
20:40EC 1703 from Nice at the gate
15:15ME 4003 to Barcelona leaves the gatealso EY 4366, MU 4968, SV 6027, KU 6082, KE 6653, DL 6771, AM 6808, SK 8366
18 h 35 apart on the timetable, overnight
ME 4003 leaves 18 h 35 after EC 1703 arrives on the timetable: more than half a day, so not a connection we count.