Bourge was IIRC about 6 hours DRIVING plus a lunch stop from Calais. We ttok the 7.55 ferry, arrived 10.30 frenchtime, stoppped for lunch and got to Bourges around 5.30. The hotel we stayed in was really pretty, in the town with a nice swimming pool. Bourges itself is very pretty, so we stopped, swam, had a beer, then explored and had supper in teh town. We had a good nights sleep, another swim and then set off for a day. Our kids were 7 snd 5 at the time and it was really nice, it made the holiday start then.
les tilleuls
Total cost about 140E or £100 a bit more than a B&B, but worth it IMHO (check out reviews online they are all good)