W4 6013 then AR 1133 at Madrid
Rome → Madrid → Buenos Aires
Timetable, Madrid time
19:55W4 6013 from Rome at the gate
19:05AR 1133 to Buenos Aires leaves the gate
23 h 10 apart on the timetable, overnight
AR 1133 leaves 23 h 10 after W4 6013 arrives on the timetable: more than half a day, so not a connection we count.