It is 822 miles from Calais to Barcelona by road. See the related link for a route.
1,223 miles or 1807km
As far as I know there is no ferry service between Dover and Belgium anymore. From Dover you have a ferry to Calais in France.
As the crow flies, Calais is about 900 km (550 miles) away from Irun, Spain. The road distance is longer: 1100km (680 mi).
It is 255.66 miles accoring to MapQuest assuming that the desired Calais is the city in Maine an not the Calais in France.
about 770 miles
368 miles
467 miles
The distance between Calais and Versailles is approximately 300 kilometers (186 miles) by road. This journey typically takes around 3-4 hours to drive, depending on traffic conditions.
there are about 543 shops in Calais which is located in France not far from cite Europe and the sea
294km (184 miles)
Calais and Caen are 345 km apart. The driving time is a little over 3 hours.