90 kilometres taking this route: Take A16 towards DUNKERQUE from Calais to A25 to LILLE and YPRES off SORTIE (EXIT in French) 25. Take A25 to SORTIE 13, to YPRES. Turn left off the exit ramp, then...
The distance is approximately 740kms which is about 460miles. It will take you around 7 hours (driving) to get to Angouleme from Calais, whichever way you want to take. You have the choice of going...
The actual distance point to point is 437 miles or 703 km. The driving distance as plotted by Google Maps is 867km and apparently that is 7 hours and 53 mins of driving.