FR 9840 then EW 2605 at Lisbon
Cologne → Lisbon → Stuttgart
Timetable, Lisbon time
23:30FR 9840 from Cologne at the gate
17:30EW 2605 to Stuttgart leaves the gate
18 h apart on the timetable, overnight
EW 2605 leaves 18 h after FR 9840 arrives on the timetable: more than half a day, so not a connection we count.