A3 111 then A3 780 at Athens
Thessaloniki → Athens → Zagreb
Timetable, Athens time
12:00A3 111 from Thessaloniki at the gate
07:35A3 780 to Zagreb leaves the gate
19 h 35 apart on the timetable, overnight
A3 780 leaves 19 h 35 after A3 111 arrives on the timetable: more than half a day, so not a connection we count.