A3 143 then A3 780 at Athens
Alexandroupolis → Athens → Zagreb
Timetable, Athens time
12:40A3 143 from Alexandroupolis at the gate
07:35A3 780 to Zagreb leaves the gate
18 h 55 apart on the timetable, overnight
A3 780 leaves 18 h 55 after A3 143 arrives on the timetable: more than half a day, so not a connection we count.