A3 357 then FR 44 at Athens
Santorini → Athens → Vienna
Timetable, Athens time
13:35A3 357 from Santorini at the gate
08:00FR 44 to Vienna leaves the gate
18 h 25 apart on the timetable, overnight
FR 44 leaves 18 h 25 after A3 357 arrives on the timetable: more than half a day, so not a connection we count.