FR 6304 then FR 9913 at Barcelona
Milan Bergamo → Barcelona → Tallinn
Timetable, Barcelona time
15:50FR 6304 from Milan Bergamo at the gate
15:30FR 9913 to Tallinn leaves the gate
23 h 40 apart on the timetable, overnight
FR 9913 leaves 23 h 40 after FR 6304 arrives on the timetable: more than half a day, so not a connection we count.