So with 2 months to go Mark, Roger and I have been looking at the route down to Grindelwald and suggest the following:
Mon 28th – Calais to Troyes
Given the distance the best option is to simply get there on the toll roads. Based on Google we are looking at 255 miles and 4 hours which, with breaks, should put us into Troyes around 17:00 – 18:00
The tolls are €33.40
As we are passing by a quick stop at the Reims circuit would be a good photo opportunity – adding about 15/20 mins driving.