QR 3707 then EC 8064 at Barcelona
Paris Charles de Gaulle → Barcelona → London Gatwick
Timetable, Barcelona time
11:50QR 3707 from Paris Charles de Gaulle at the gate
07:10EC 8064 to London Gatwick leaves the gate
19 h 20 apart on the timetable, overnight
EC 8064 leaves 19 h 20 after QR 3707 arrives on the timetable: more than half a day, so not a connection we count.