EW 886 then TK 1866 at Fiumicino
Cologne → Rome → Istanbul
Timetable, Rome time
19:00EW 886 from Cologne at the gate
14:50TK 1866 to Istanbul leaves the gate
19 h 50 apart on the timetable, overnight
TK 1866 leaves 19 h 50 after EW 886 arrives on the timetable: more than half a day, so not a connection we count.