FR 199 then FR 6914 at Vienna
Vilnius → Vienna → Milan
Timetable, Vienna time
13:35FR 199 from Vilnius at the gate
08:25FR 6914 to Milan leaves the gate
18 h 50 apart on the timetable, overnight
FR 6914 leaves 18 h 50 after FR 199 arrives on the timetable: more than half a day, so not a connection we count.