Unliess you particularly want to see it, I'd avoid Paris - the roads (and drivers on them) are a nightmare.
Your timescales look fine - I regularly do Calais to Dijon, though motorway most of the way, and that takes five hours.
Whatever roads you use beware of the Gendarmes - there are speed traps everywhere, they don't wear hi-vis so are hard to spot, particularly when they crouch in the bushes or behind road signs...
Unliess you particularly want to see it, I'd avoid Paris - the roads (and drivers on them) are a nightmare.
Your timescales look fine - I regularly do Calais to Dijon, though motorway most of the way, and that takes five hours.
Whatever roads you use beware of the Gendarmes - there are speed traps everywhere, they don't wear hi-vis so are hard to spot, particularly when they crouch in the bushes or behind road signs...