Flight Paris Charles de Gaulle Airport departs from Paris Paris Charles de Gaulle Airport at 21:05 and arrives at Algiers Houari Boumediene Airport at 23:30.
The flighttime is about 3h 25m. The distance travelled ("as the bird flies"): 1370 Km. So the average speed is roughly 401 Km.
There is an 1 hour time difference between Paris and Algiers