A3 655 then W4 6724 at Athens
Rome → Athens → Venezia
Timetable, Athens time
21:30A3 655 from Rome at the gate
16:40W4 6724 to Venezia leaves the gate
19 h 10 apart on the timetable, overnight
W4 6724 leaves 19 h 10 after A3 655 arrives on the timetable: more than half a day, so not a connection we count.