Blikey reckons that the coastal route from Gravesend to Brighton is about 190 miles, which seems a good distance to start. It’s a great tool, if you have never used it – using maps and waypoints you can create very accurate routes, with it giving you the distance and elevation.The first leg looks like this, which is impressive until you look at how little of the British Isles this covers! All I want to know is how many miles will we comfortably cover in a day (100?) and where the hell will we stay in Dungeness? I have been there once – pretty dam grim and that was before we found Derek Jarman’s garden…