GQ 351 then FR 1199 at Athens
Santorini → Athens → Rome
Timetable, Athens time
18:00GQ 351 from Santorini at the gate
14:20FR 1199 to Rome leaves the gate
20 h 20 apart on the timetable, overnight
FR 1199 leaves 20 h 20 after GQ 351 arrives on the timetable: more than half a day, so not a connection we count.