FR 1739 then FR 6875 at Dublin
Valencia → Dublin → Barcelona
Timetable, Dublin time
16:30FR 1739 from Valencia at the gate
06:40FR 6875 to Barcelona leaves the gate
14 h 10 apart on the timetable, overnight
FR 6875 leaves 14 h 10 after FR 1739 arrives on the timetable: more than half a day, so not a connection we count.